Everything Was Perfect Until It Wasn’t. Mysterious Eclipse GSX Engine Failure On Dyno Day! HOW?

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  • čas přidán 26. 04. 2024
  • Grab a new set of premium floor mats from TuxMat! bit.ly/3Wekysf
    In this video, I spend 3 days fixing everything on my Eclipse GSX engine only to have it fail upon first start in the weirdest way possible. How in the world did this happen?
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  • Auta a dopravní prostředky

Komentáře • 1,8K

  • @LegitStreetCars
    @LegitStreetCars  Před 16 dny +41

    Grab a new set of premium floor mats from TuxMat! bit.ly/3Wekysf

    • @cosmickflames6150
      @cosmickflames6150 Před 16 dny +2

      Why do they not have a Tux Matt for a 99 Firebirds 😿🫠🫠🫶

    • @LostMySpark15
      @LostMySpark15 Před 16 dny +1

      too bad they dont have my car a 2007 ford focus ghia

    • @disgruntledegghead6923
      @disgruntledegghead6923 Před 16 dny +2

      If your vehicle is more than five years old they don't make one for you.

    • @GDavis49
      @GDavis49 Před 16 dny

      @@disgruntledegghead6923indeed, I was interested

    • @brtherb8677
      @brtherb8677 Před 16 dny

      They don't make floor mats for my 2006 Dodge Magnum AWD.. 😕

  • @MrSabrosa03
    @MrSabrosa03 Před 16 dny +970

    You added about 15 psi of oil pressure from fixing all the leaky seals lol. Nice job and nice find.

  • @matthewfuller1129
    @matthewfuller1129 Před 16 dny +536

    Throughout the history of the world, nothing good has ever happened after someone mutters the phrase “what could possibly go wrong?”

    • @notsouninterested
      @notsouninterested Před 16 dny +6

      This is very true.

    • @jhuntosgarage
      @jhuntosgarage Před 16 dny +5

      No doubt!

    • @Simon-ui6db
      @Simon-ui6db Před 16 dny +7

      Jerermy Clarkson comes to mind.

    • @XxViciousxX
      @XxViciousxX Před 16 dny +10

      "How hard can it be" is another that comes to mind.

    • @meddlesome9252
      @meddlesome9252 Před 16 dny +4

      This is similar to the announcer saying "Mack steps to the line, you know folks, he has hit 20 straight free throws going back to last season..."

  • @AzecTheButcher
    @AzecTheButcher Před 15 dny +44

    Sometimes you get a 32k mile GTR for a 62k miles price.... and sometimes you fix timing and blow a head gasket. Super fun watching you give it a go, keep it coming!

  • @stevecbr929
    @stevecbr929 Před 15 dny +13

    Welcome to the wonderful world of DSM's my friend. I have a 95 Eagle Talon TSi (same AWD turbo as Eclipse, different bumpers). I honestly can't tell you how many times I've had mine apart, currently on 3rd & hopefully final engine setup - built 6 bolt block with 2g head. You're doing great, pretty sure your head gasket was just tired & sitting around mostly for better part of a year it was just it's time.. couple of suggestions that come from almost 20 years with this car: get rid of that crank sensor! DSM link will let you run a 1g CAS - simple swap that let's you drop that crank sensor/trigger wheel & your 2g cam sensor & pick up inside the cam gear. The "hall effect" 1g cam sensor will do both & it's literally checking a box on your DSM link software & splicing a couple of wires (or they sell a harness thru DSM link I beleive). Great job on your timing belt - again, suggestions based on horrific 1st hand experience: the vibration isn't that bad - you can always jump in your CL65 (I've had a 04 CL55 for about 2 years & 3 ABC line explosions!). Drop the balance shaft so you can get rid of that belt. If/when that belt should break, it will destroy all that is close to it - crank sensor, your timing belt & parts that keep it in time, hello interference engine, I didn't like those valves anyway! Also, I've never had a Gates racing timing belt (the blue one) fail, fray or break ever & is worth the extra $ in my opinion. Sorry about the novel, your doing great - don't let the DSM issues bum you out, it pays off once you get it going again until something else let's go until ultimately, you too will end up with a built 6-bolt! Good luck man - keep up the great vids/builds!

  • @myinfinitestate1586
    @myinfinitestate1586 Před 16 dny +302

    G'day Alex, I experienced a very similar issue when replacing my cam gears and gaskets, along with belts, and several other seals or gaskets, on the front end of my Eclipse. When you're replacing as many seals or gaskets as you did, it's obviously, going to directly effect the oil pressure. As the pressure increases, the original graphite, factory head gasket (very btittle), can no longer support the increased pressure...and it fails. The head gasket was probably ready to crack, before you even began replacing cam gears, timing belt, etc...Cheers from Western Australia 🇦🇺.

    • @legros731
      @legros731 Před 14 dny +8

      Leaking oil seal doesn't affect oil pressure
      But it sure does affect the crankcase pressure inside the engine all the extra pressure was relieved by the leaky cam seal now with brand new seal there nowhere for the pressure to release so it found the weakest link the head gasket at one of the 4 corner oil return hole to the pan
      Two possibilities here the engine is worn-out lot of blow-by or the pcv system is not working correctly

    • @fiercenet
      @fiercenet Před 14 dny +3

      my thought too... with all those leaks fixed the oil took the new path of least resistance.

    • @rangeraficionado87
      @rangeraficionado87 Před 13 dny +2

      The oil filter could also be faulty, no? He also could have gotten a chunk of RTV blown into a passage somewhere with all the cleaner and compressed air he was blowing around..

    • @legros731
      @legros731 Před 13 dny +1

      @@rangeraficionado87 not possible the only access to the oil gallery is the oil pickup tube
      It go from pick up tube to oil pump to oil filter
      oil filter have a bypass in case of excessive pressure to prevent the filter from blowing up
      It's probably a crankcase pressure problem the pressure was relieved by the leaky cam seal now the pressure got nowhere to go so it found the next weakest link in this case the head gasket and in the corner is the oil return from the head to the pan and the gasket is pretty thin at this place
      And it's a common place for head gasket to leak as well

    • @Mtlmshr
      @Mtlmshr Před 13 dny

      That my friend makes perfect sense to me and I would agree with your line of thought!

  • @aaronatstate
    @aaronatstate Před 16 dny +290

    The 0869MC on the side of the belt is the date code. That code means the 86th day of 2009, and the MC stands for the Gates plant that was in Moncks Corner, South Carolina. That plant closed in 2009. That belt is 15 years old, and it’s a good thing you are replacing it for sure.

    • @mrmoss149
      @mrmoss149 Před 15 dny +6

      Wow.

    • @turtle2448thomas
      @turtle2448thomas Před 15 dny

      Stupid question, but how do you know it's not the 86th day of 2019?

    • @aaronatstate
      @aaronatstate Před 15 dny +8

      @@turtle2448thomas because the MC on the end denotes the plant it was made in, which closed in 2009.

    • @vinny6_9
      @vinny6_9 Před 15 dny

      the belt may be 15 yrs old, but how many miles are on it? it's not like it's going to go bad from just sitting inside of a garage.

    • @MrReese
      @MrReese Před 15 dny +8

      @@vinny6_9 It's rubber, rubber always loses its properties after some time. That's why you change tires when they are 10 years old, no matter if they've been driven 500 miles or 50000 miles.

  • @jrm523
    @jrm523 Před 15 dny +9

    This video series brings up so many memories and emotions. DSM was my life years ago. It was my first project car. I turbocharged a non-turbo 4g63, smoked all my friends and blew up the tranny. Went to the junkyard and picked up a turbo tranny for $75 and was back in business. Back then parts were cheap and it was so much fun!

  • @dannymcneal
    @dannymcneal Před 7 dny +1

    Okay, I just finished binge watching your entire series on this GSX-to say it has been massively interesting would be an understatement! Thanks for all the hard work you put into these very educational videos. Would I ever do something like this? Absolutely not! But I could hand you a wrench. 😂 Thanks again!

  • @blackbuick1987
    @blackbuick1987 Před 16 dny +153

    Maybe fixing all of the other leaks like the cam seals and oil filter housing gaskets caused the engine to make enough oil pressure to push out of the head gasket? You also mentioned the oil pump wasn’t aligned before so again maybe after aligning it bumped the pressure up to start exposing leaks.
    Think of it as a blessing because once you put it on the dyno that head gasket was probably going to blow anyway if it is indeed original. Possibly saved you from catastrophic failure later on.

    • @Cougracer67
      @Cougracer67 Před 16 dny +4

      There is not any pressurized oil behind those seals, so changing them has absolute zero effect on oil pressure!

    • @m4rvinmartian
      @m4rvinmartian Před 16 dny

      This is the answer.

    • @fakenews4734
      @fakenews4734 Před 15 dny +17

      @@Cougracer67 but there is pressure anywhere there's oil, which means somewhere there was a small leak alleviating pressure into other areas. Sealing those up could cause this with the re-obtained normal operating pressure

    • @Julzilla
      @Julzilla Před 15 dny

      Yep I was thinking the same thing. 2nd this thought.

    • @TheCam2363
      @TheCam2363 Před 15 dny

      Came to say the same thing. Had something similar happen on a volvo. bad pcv system blew a cam seal completely out and was filling the distributor with oil causing a random misfire and a really bad oil leak.

  • @RealRickCox
    @RealRickCox Před 16 dny +207

    Good grief. This Eclipse is living up to it's name.... it's totally eclipsing what you thought you'd have to spend to get it back on the road! LOL

    • @AwesomeBlackDude
      @AwesomeBlackDude Před 16 dny +3

      Remember how Neil deGrasse Tyson would put it? He called it nothing more than an eclipse party. 😅

    • @conor7154
      @conor7154 Před 16 dny +3

      I was so confused when he called it a mini GTR. Like the only thing it has in common with a GTR is that it’s a car lol. I can’t imagine spending this much money on that thing.

    • @jimmy2367
      @jimmy2367 Před 16 dny +2

      You clean it, it has probably been leaking before but the dirt kloggde the leak

    • @bryandevries7210
      @bryandevries7210 Před 16 dny +4

      ​​@conor7154 and all wheel drive, and turbo, and it's a coupe.

    • @anthonyvasquez7050
      @anthonyvasquez7050 Před 16 dny +5

      @@jimmy2367The extra PSI from fixing the oil leaks plus all the cleaners he was spraying on the engine. Most likely the engine was leaking before. All the dry Grime that was stuck to the engine must have been soaking it all up!

  • @markflamini
    @markflamini Před 15 dny +1

    I follow a lot of youtubers and have been following you for many years now. Your channel is amazing and is the best out there. Everything you work on is very informative and you make it entertaining. I look forward to your uploads every Saturday as I grew up watching Shade Tree Mechanics with my father every weekend morning and your channel brings me back. Keep up the hard work as I know this is not easy!! By the way, your hand cleaners are are awesome!

  • @larrylarryboyelmore
    @larrylarryboyelmore Před 15 dny +2

    After reading some of the comments, i totally agree the theory of sealing the oil leaks that you did could increase the oil pressure slightly. I think you should look at from the standpoint that someone was looking over your shoulder protecting you from a giant mistake. If that engine head gasket really let go think of the potential damage is could cause. You've been saved my man!

  • @Dchero45
    @Dchero45 Před 16 dny +155

    Dang, between Gears & Gasoline and LSC its a DSM Saturday!

  • @resilva2
    @resilva2 Před 16 dny +60

    Most of the other comments pretty much pinpoint it,.. but at @ 10:44 my theory is that all the vibrating and cleaning got into the graphite gasket and loosened up what was already a very slight seepage leak. And then perhaps by putting the oil pump back in the correct timing and fixing the oil coolant filter gaskets, it pulsated the oil at a different pressure or different time and the head gasket corner was no longer able to deal with it.
    The weakest link in oil gaskets presented itself.. especially after probably accidentally getting messed with and soaking up a bunch of degreaser.
    I've worked on DSMs for the last 30 years and they're probably just as picky or picker then any high-performance race engine. The tolerances are pretty tight to make sure that car runs properly.

    • @legros731
      @legros731 Před 14 dny

      I would say you are wrong
      It's a crankcase pressure issue the blown cam seal allowed the crankcase pressure to escape
      Now that it got nowhere to escape it found the next weakest link the head gasket
      Two possibilities here excessive blow-by or pvc system malfunction
      For it to happen in a such sort notice would point towards a crankcase pressure problem
      Somebody I know used the brake booster hose for the vent on the valve cover (engine was a b18b Honda)
      The hose got a check valve inside so the booster keep is vacuum so it was effectively just blocking the vent in the valve cover
      It took like 5 second of run time to pop both can seal right out and made a massive oil spill

  • @ndg49
    @ndg49 Před 14 dny +1

    Alex, I've only seen one head gasket leak oil. That was the M104 on our 1993 300E 2.8 engine. Of course, it was already over 150k miles and was original and was just a very tiny leak. So, I left it alone. Didn't want to tackle it. It never showed up by losing oil on the dipstick adn never made a mess. Just normal stuff fro that engine, I believe.
    Recently, on the M276 engine in our `13 C300 4Matic, I had a bit of oil leaking from the camshaft position sensors and solenoids, so I replance them all, including adding the pigtails onto the wires, so the oil wouldn't wick into the ECU. The wires were dry, but the pigtails were cheap insurance, so why not... eh? I had one which was impossible to replace unless I popped up the intake, so I took it to my shop and they did that one. [They had to pop it all off with new gaskets and peeked inside the intakes and there was no carbon buildup. At 120k miles on a direct-injection motor... WOO HOO!!! A big THANKS to M-B for that design. Impressive. Of course, I also use Shell premium, Liqui-Moly oil every 5k miles and drive it hard when getting on the I-states. I get 30-32mpg on the road at 75mph, and it runs great for a car with a retuned E-class M276 motor. Oh, how I'd love to get that ECU tuned to its full potential. The car does 0-60 in under 7 secs. Handles better than our 98 SLK230, and all on original stuff. Of course, I'm going to install new Akebono pads on (they've lasted over 60k miles on the Zimmerman discs) & check it all out before a big road trip in August.]

  • @DarkRider2k3
    @DarkRider2k3 Před 15 dny

    I did all of this on my Eclipse back in 2021 when I replaced my worn/overheating engine and as crazy as it sounds my previous engine wasn't vibrating, but the belt for the harmonic balancer was ripped off due to an oil leak in the same spots you had. The engine wasn't any good though because it had overheated on the previous owner (a friend of mine) and when I took it all apart the block was pitted and damaged and it was cheaper to get a donor engine then to try and completely redo the old ~125k miles engine.
    But same oil leaks and this is bringing back memories of when I first attempted to look at the original motor in it!

  • @flipfinish
    @flipfinish Před 16 dny +159

    No Saturday morning cartoons anymore, but thats ok, I have LSC!

    • @ryanray2010
      @ryanray2010 Před 12 dny

      I feel that same way

    • @jonathanking1301
      @jonathanking1301 Před 11 dny

      My wife and I (just married and back from our honeymoon!) refer to Alex’s videos as our Saturday morning cartoons.
      We’ve been watching long enough where she’s mad if I watch without her 😂

  • @poot111111
    @poot111111 Před 16 dny +62

    I don't think it has anything to do with the timing job. I would guess it has more to do with the car & gaskets sitting for a very long time and now it is being brought back to life. Often gaskets will shrivel up when they do not see oil and pressure from typical operation. I'm sure you will have it fixed in no time Alex, you always do!

    • @feron450
      @feron450 Před 16 dny +1

      That’s exactly what I was thinking while 240k miles is a lot it’s not for the year the car is. That thing probably sat for a good portion of its life. And now with bigger turbo and more power the gasket just couldn’t take driving again. Very odd that it was the oil side that went though

    • @alk5749
      @alk5749 Před 16 dny +1

      I agree with that assessment, I’ve had a car blow its head gasket after sitting for a couple of months. Older car with high mileage.

    • @thagerdorn2009
      @thagerdorn2009 Před 15 dny +1

      You can't let a car sit. Hearing him say he never drives it means he needs to sell it to someone who will drive it. I'm so sick of seeing these people with all these damn cars and never drive them. Plus it's a 4G Mitsubishi engine...they are notoriously unreliable. Close and long time friend of mine was huge into DSM for many many years so I know all about them. Head gaskets are very common if they sit.

    • @jonsmith6496
      @jonsmith6496 Před 15 dny

      Has something to do with all his cleaning too I’m guessing.

  • @yokai8896
    @yokai8896 Před 9 dny +1

    New to the channel and caught up on this series since I have a 98 GSX, you make it look so easy, can definitely tell you've been building cars for a while. Really smooth content. Researching and ordering parts in a good sequence is really hard imo and you've done everything pretty much the same way that I would. Awesome tip on the muffin trays
    You should inspect the harmonic balancer closer because the OEM ones separate at 100k, it must have been replaced already. Fluidampr is a good upgrade, they can't fall apart and smooth out the engine some like when starting from a stop and rev matches
    Be a lot more careful with the valve cover they're known to crack, as well as the rear diff covers. Watch the tightening sequence and don't over tighten etc just treat them like they're gonna break
    T6R's look great, I still think red calipers would be cool but the silver is clean too

  • @Fred-dd6uw
    @Fred-dd6uw Před 13 dny

    Welcome to the world of Mitsubishi. Since you're going to have the timing apart, you may want to change the seals on the oil pump shaft and the balance shaft. They will leak just as bad as the cam/crank seals. Also, when aligning the timing mark on the balance shaft gear, you want to spin the gear until it kinda lands on the timing mark. If you give the shaft a spin, you will see that it wants to land at one of three spots. One of those will be at the timing mark. If you don't get this correct, the balance shafts will be out of time and engine will feel like it has a bunch of angry bumble bees inside of it. Hope this help. I enjoy watching your videos.

  • @thatguywillt
    @thatguywillt Před 16 dny +44

    Settings nuts and bolts in the spark plug valley without any spark plugs installed is ballsy, lol.

    • @DanielRichards644
      @DanielRichards644 Před 16 dny

      he's got a magnet.

    • @fatherhood2
      @fatherhood2 Před 15 dny

      Another WCGW moment in the making

    • @williamrogge6268
      @williamrogge6268 Před 15 dny +1

      I agree. I was holding my breath on that one because been there, done that!

    • @Beer_Dad1975
      @Beer_Dad1975 Před 15 dny

      It's good to see a pro does the same things I do - and yes, it's easy enough to fish around with a magnet, but it's the kind of thing you think to yourself as you waste minutes fishing around "Why did I do that!"

  • @disgruntledegghead6923
    @disgruntledegghead6923 Před 16 dny +36

    I'm thinking the head gasket simply got jealous of all the work you did to the front.
    It was just it's time, and it's way better that you found it before making a mess on the dyno floor...

  • @konstantinoschristodoulou355

    It happened to me, by fixing many leaking small points like: changing oil pan gasket, oil cooling gasket, and crankshaft gaskets...it started leaking from an engine oil gallery plug, which was a little bit defect but never leaked before. I think by fixing everything (gaskets and leaking points) changes the oil pressure, and oil finds a way out on a weak spot...I guess fixing all gaskets and o-rings will be the answer on an old car...we all learned that in a bad way! *i personally hate moments like this but I'm so happy that you will show that in a new video, love and peace bro!!

  • @mstar501
    @mstar501 Před 15 dny

    Looking forward to see the engine rebuild. Thanks for the good content.

  • @sirremusrobinson1070
    @sirremusrobinson1070 Před 16 dny +41

    Maaannn Alex! You're definitely my Saturday morning auto fix for real!! You and M539Restorations are badass when it comes to transforming the whips!!!🙌🏾💯

  • @aymenhasan
    @aymenhasan Před 16 dny +10

    Could it be that the gasket was on the verge of going, but when you torched the left hand side 14mm header bolt with the large MAP gas flame, the flame was catching the edge of the gasket and was just enough heat it quite quickly and intensly and cause it to blow right at that corner? Maybe there's an oil gallery quite close to that corner?

  • @tylerrowe9973
    @tylerrowe9973 Před 12 dny

    Awesome vid as always. I love watching your attention to detail and being clean. You are slowly learning the ways of the DSM. Random problems when you don’t suspect/old parts getting jealous of new parts 😂. Don’t worry tho. It never stops. Can’t wait to see more vids!!

  • @zollotech
    @zollotech Před 15 dny

    Well that was unexpected. Well at least we get to see more of the engine.

  • @turbo_brian
    @turbo_brian Před 16 dny +23

    The oil drain leaking is super common. Most likely the flanges are not warped. What a lot of people don't realize is that the washers on the bolts are non reusable gaskets. Replace the washers with new ones and use a new gasket and put a super small dab of rtv on the threads of the bolts. Then it shouldn't leak.

    • @boostddsm
      @boostddsm Před 15 dny +4

      Came here to say this exact thing. This is 100% why the oil drain keeps leaking. You could fix it by installing an AN adapter to the oil pan and turbo, and use an AN oil return line so you never have the mess with the drain line fittings anymore.

    • @andrewthomason3857
      @andrewthomason3857 Před 13 dny

      ⁠@@boostddsmBack when I had my 90 Talon, I always thought one of the DSM parts vendors should have marketed something like that. You had to take that stupid pipe off a lot to work on the engine, and it was always hard to get a leak-free connection to the oil pan when it went back on.

  • @michaelbakker5720
    @michaelbakker5720 Před 16 dny +38

    Could it be the cleaner pulled off some crud that was sealing the bad head gasket? My guess is it was blown before, sat a long time and resin developed from the old oil and all the spray cleaner on the studs released that resin.

    • @williambartilson9688
      @williambartilson9688 Před 16 dny +4

      This is exactly what I was thinking. This head gasket was blown years ago and he hasn’t seen it because of all the caked on nastiness.

    • @michaelwynne4346
      @michaelwynne4346 Před 16 dny

      My Subaru does it also.

    • @pparmar7118
      @pparmar7118 Před 15 dny

      Sounds like the most possible reason, cleaning off the caked up gunk opened the leak.

  • @issacthorpe1600
    @issacthorpe1600 Před 15 dny +1

    I think we all know your line of work isn't easy. I love your humor, and how you do a great job of explaining and showing. I appreciate it every week. Keep up the amazing work. Long time fan.

  • @Steve-o8888
    @Steve-o8888 Před 15 dny

    Great work on the engine Alex, sorry to hear about the head gasket unlucky at the time that it happened. I'm looking forward to more of you're video's. Keep up the great work!

  • @keycommander971
    @keycommander971 Před 16 dny +19

    Thank you for your videos, I’m a injured English veteran and your videos have helped me so much been isolated not been able to get out much. 👍🏼🏴󠁧󠁢󠁥󠁮󠁧󠁿🇬🇧🇺🇸

    • @bartismoellis1052
      @bartismoellis1052 Před 15 dny +5

      Hang in there man it will get better

    • @benwalker740
      @benwalker740 Před 15 dny +4

      Stay strong my friend, thank you for your service. From a very appreciative English guy.

    • @keycommander971
      @keycommander971 Před 15 dny +6

      Thanks fellas I’ve had 5 back operations 2 while still serving and 3 after, I even had my own locksmith business after leaving the Army had police contracts and others, but got to much for my back had to give it all up, Now I’m just a mostly confined to be bed. Thank you both seriously for your kind words u didn’t have to but u did, I believe in Karma and I hope u both get Blessed 👍🏼

    • @lookayad
      @lookayad Před 15 dny +2

      @@keycommander971 Thank you for your service and stay strong. Keep life in perspective. You can figure out how to live your best life. From Cali

  • @gumpoyler
    @gumpoyler Před 16 dny +12

    Not gonna lie
    Doing a timimg belt looked like you have to be a genius. I have not done one before and my anxiety level was high watching this. As always great stuff Alex

    • @sr20ser.
      @sr20ser. Před 16 dny +3

      Timing jobs are easy. They make things easy for a reason. The only bad part is the access. If you've never done it before, and you need it done, give it a shot and take your time. At the end of the day, it is nothing but nuts and bolts.

    • @munkysthrowpoop
      @munkysthrowpoop Před 16 dny

      I will say it is SOOoO much easier the engine on a stand. I have a 4g63t but it’s in a dodge colt instead of an eclipse so there is even less room but the motor comes out super easy because I don’t have access to or power steering.

    • @7477238
      @7477238 Před 15 dny

      The only car I'd do a timing belt/chain on would be an early 90s Corolla. Did the timing belt and water pump on a 94 Corolla I used to have and that was super easy.

  • @jeffmac3071
    @jeffmac3071 Před 14 dny

    Alex, the helpful hints (3/8" drill bit for timing) was great.

  • @bmc5108
    @bmc5108 Před 15 dny +1

    I just had the full cam and balance shaft belt service on my Porsche 968 done yesterday! All idlers, tensioner, cam seals, cam position sensor, water pump etc. I was amazed at how much work is involved. Great video, sorry about the head gasket.

  • @jjwatt7827
    @jjwatt7827 Před 16 dny +6

    Absolutely love the channel! Just wanted to say, Mitsubishi from factory recommends replacement of the harmonic balancer with the timing job. They are a nasty 2 piece design that like to seperate and fail... Ask me how I know.
    You sir are an inspiration for all backyard mechanics out there. Thanks again

  • @frestkd
    @frestkd Před 16 dny +9

    Sealing the oil leaks can make weak points in other areas leak. The car came from a dry climate and it has lots of miles so would not be surprised weak points could start leaking with the higher fluid pressures. It like when you use regular oil then go synthetic on a high mileage vehicle and it starts leaking because the synthetic cleaned everything.

    • @Cougracer67
      @Cougracer67 Před 16 dny +1

      No, changing one seal has absolutely no effect on the other seals. There is no pressurized oil behind those so fluid pressures are not changed!

  • @johnyandolli3651
    @johnyandolli3651 Před 15 dny

    @legitstreetcars Thank you so much for showing all the issues with your builds. All of us can definitely relate!

  • @End3r_Wiggin
    @End3r_Wiggin Před 15 dny +5

    The bosses on the top of the exhaust manifold are there to install pyrometers to plug into a stand-alone ECU. Using those, you get more finite control over each cylinders' A/F ratio when tuning, instead of only relying on a downstream WB O2 sensor that's reading the total.

  • @FrossYT
    @FrossYT Před 16 dny +8

    “Maybe someone was like hey stop harping around”. 😂😂😂 where do you come up with this stuff. 😂😂😂

  • @PirateMTH_ToddH
    @PirateMTH_ToddH Před 16 dny +4

    One of my favorite ways to start my weekend. Coffee and LSC. After the video today, will be working on the S197 Mustang project car with my Son armed with LSC knowledge and inspiration. You did not provide the definition / origin of "harping on". I enjoy when Max adds this info. It's us Dad's job to provide "important" knowledge. 😜

  • @ospinal921
    @ospinal921 Před 15 dny

    Love the DSm content Alex.
    Great Video, and um welcome to the DSM world lol.
    Glad you found the leak before the Dyno.
    I agree with everyone else here, maybe by fixing all the leaks and the correct alignment of the oil pump, it now made more pressure, also I bet that high iddle was because the turbo compressor side wasn't hooked up all the way.
    All said and done, new head gasket, and a new- street tune before dyno. 🔥

  • @Tyler97GSX
    @Tyler97GSX Před 15 dny

    I’m glad you pulled the exhaust manifold/turbo as one unit this time. Much easier.
    I remember you replacing the small hose for the oil cooler in an early video for this and spilling a ton of coolant. Same happened on this one haha. The radiator drain only drains half the system.

  • @warpspeedracer
    @warpspeedracer Před 16 dny +34

    You never had me, you never had your car. Now the mad scientist has to replace the head gasket that your fried. Time to overnight some parts from Japan. Always a treat to watch, I'm sure you'll sort it out soon enough.

  • @michaelbailey2393
    @michaelbailey2393 Před 16 dny +19

    Did you block the ports from taking all those metal shaving into block when you drilled the stud?

    • @ndog1234765
      @ndog1234765 Před 16 dny +3

      It's the exhaust side. It'll probably be fine. Exhaust go out, not in. The aliminium shouldn't damage the exhaust turbine.

    • @williamrogge6268
      @williamrogge6268 Před 15 dny +1

      Key word, "shouldn't"!

    • @EricSchutt
      @EricSchutt Před 15 dny

      That was hard to watch!

    • @michaelbailey2393
      @michaelbailey2393 Před 13 dny

      @ndog1234765 all closed at the same time?

    • @ndog1234765
      @ndog1234765 Před 13 dny

      @@michaelbailey2393 Probably not, but he's not gonna be dumb enough to blow the shavings into the engine. Have you seen how meticulously he cleans the vehicles?

  • @user-dw4ex8kf2w
    @user-dw4ex8kf2w Před 15 dny

    Finding that oil leak after you worked on a different part of the engine reminds me of plumbing valves. Sink and toilet valves won't leak for 30 yrs but the second you touch them it's over!
    Thanks for the video!

  • @williamkelley7654
    @williamkelley7654 Před 15 dny

    I think you hit the nail on the head when you said you should have pulled the motor to work on it. Honestly, with that mileage, that oil leak may have actually saved that engine. Good luck! Can't wait for the repair/tune videos to come.

  • @darinhenningsgard8833
    @darinhenningsgard8833 Před 16 dny +5

    Did you drill a little too deep and compromise the head, causing an oil leak?

  • @Toll_Booth_Willie
    @Toll_Booth_Willie Před 16 dny +15

    Maybe the head gasket failure was a blessing in disguise? Great content and thank you!

  • @just-a-waffle
    @just-a-waffle Před 15 dny

    This is the highest quality work I’ve ever seen on a DSM. Great job Alex, should turn out beautiful!

  • @markblunsum6164
    @markblunsum6164 Před 15 dny

    You make working on cars look so easy, also really informative and entertaining! 😊

  • @TiptronicSS
    @TiptronicSS Před 15 dny +4

    Man, Alex, you are the 6 year old kid inside of us playing with big cars 😂😂😂😂😂

  • @angles711
    @angles711 Před 16 dny +3

    it was either the old crud of oil sealing it, so when u cleaned it, it started to leak again or that when u fixed all the other oil leaks it now has enough pressure ie no other leaks and head gasket started to leak cuz it was the point of failure

  • @craigvirgin8461
    @craigvirgin8461 Před 15 dny +1

    You were close Alex: 'This expression is a shortening of harp on the same string , meaning “to play the same note over and over.” It was first recorded in 1518' Happy to help 😀

  • @siraff4461
    @siraff4461 Před 15 dny

    Wow. We had exactly the same thing on an evo4 way back about 15 years ago.
    All we did was swap the exhaust manifold for an upgrade.
    We also used heat on one of the bolts and couldn't work out for anything what caused it.
    Best we could come up with was localised heat near the gasket surface may have moved it a little but like yours our leak was at the end while the heat had been inches away.
    Never saw it before or since until now.

  • @kevshaw2020
    @kevshaw2020 Před 16 dny +3

    The dsm gods have cursed you. Don't worry this is how it works. Soon you will start chasing random wiring issues, drive train issues and lots of fun dsm "quality" fails lol I thoroughly enjoyed this video and all of your stuff dude ! Keep it up !

  • @Shiftheads
    @Shiftheads Před 16 dny +3

    I heard Chicago car washes are starting to add PB blast in the soap sprayers 😂

  • @Andrew-vd2ko
    @Andrew-vd2ko Před 10 dny

    Thank you so much Alex for your wonderful videos....
    Today I was talking with a Holden v8 driver and he was saying how much he wants to remove afm on his v8 which turns off some cylinders...
    Pointed him the right way cos of your Holden ex cop car...
    Thank you for your help....

  • @SteveTheBeardedWonder
    @SteveTheBeardedWonder Před 15 dny

    I really love this channel and Alex with his personality. Been a great distraction as I'm going through some hard times. Keep up the awesome work. I love dsm cars

    • @SteveTheBeardedWonder
      @SteveTheBeardedWonder Před 15 dny

      Sucks to see the head gasket. We know you'll fix it and make it better. That's extremely strange. Sorry to see that.

  • @joelwachter7845
    @joelwachter7845 Před 16 dny +17

    The plug on the power steering pump is so the engine idles higher when you turn the wheel so the steering doesn't get heavy. Lots of mazdas have that as well. When you turn the wheel you will hear the engine idle up.

    • @alexandrecouture2462
      @alexandrecouture2462 Před 16 dny +1

      Cool! I didn't know it was a thing.

    • @mikeysbago-meat7967
      @mikeysbago-meat7967 Před 15 dny +2

      Yeah lots of Japanese cars have done this especially in the 80s and 90s some had vacuum switches others were electrical switches. My 85 Dodge D50 pickup which was a Mitsubishi import had a vacuum switch.

  • @123simont
    @123simont Před 16 dny +13

    Yes its Legit Saturday!!!!

  • @GuapBoiTV
    @GuapBoiTV Před 15 dny

    @legitstreetcars you got me sold on the tuxmats! About to get a set for the Escalade.

  • @johndickerson9328
    @johndickerson9328 Před 15 dny

    Dude, Nice work 👌. I'm impressed 👏.

  • @sinoverlord409
    @sinoverlord409 Před 16 dny +21

    I'm developing a Alex sense as to when precisely he will drop a video. I was only one minute off.

  • @mcskull88
    @mcskull88 Před 16 dny +4

    When you where using the torch on the manifold studs you Probbaly set the outside of the head gasket on fire

  • @AyaxRo
    @AyaxRo Před 15 dny

    Still an enjoyable video! Have been waiting for so long on the DSM build... finally happy to see it coming thru.

  • @thesaltlifemanshow5522

    Nice video. My 99 gsx I bought from a Japanese guy that had done so much to the engine the car would run 10s and still was a daily for me. It was the first engine I ever completely redid with a friend's help over 3 months. Everyone thought I was nuts cuz I put huge 20 inch assassin Lexani rims and a huge subwoofer system that would hit 140db. Ended up owning it for 5 years and then traded it for my 02 transam ws6 drop top and still have it today. But I still would like to find another cheap one with a manual just to run around with one day. Still my 06 Mazda rx8 is really what replaced this car and the twin turbo rotary spitting fire and the handling just killed my love for dsms. What I love about you Alex is we have the same taste in cars. I to have a supercharged van but mine isn't a cargo van it's a explorer conversion out of mishewaka Indiana. You should look into finding a early 2000s Ford exonoline conversion van and drop a big supercharged Benz or audi v8 in it. That's my future plan as ls swaps are so boring and I love the 12 and newer Benz biturbo v8s. I have a 2014 Benz cls63 that has this engine built by the only female at amg at the time and it's such a reliable mean car.

  • @nosetdirection
    @nosetdirection Před 16 dny +38

    I quit chasing speed, has made my life a lot easier.

    • @john-vy1ml
      @john-vy1ml Před 16 dny +4

      Haha. So true. Now I just chase good handling and braking. 👍

    • @GldVWisRR
      @GldVWisRR Před 16 dny +2

      speed with cars. I ride motorcycles now. Cheaper.

    • @jochenstacker7448
      @jochenstacker7448 Před 16 dny

      ​@@GldVWisRR ride safe dude, speed on bikes is just so much more painful when it goes wrong. 🙂👍🖖

  • @jivemastert
    @jivemastert Před 12 dny

    Your previous DSM videos made me miss mine and remember it fondly. This video reminds me of why I sold it.

  • @VinodTJ11
    @VinodTJ11 Před 15 dny

    Hi don’t get disappointed, we love to see more work ❤❤ Rock on!!

  • @wlol9263
    @wlol9263 Před 16 dny +4

    I work on huge turbochargers. In my experience old graphite is a is a strange puppy sometimes. What I’m thinking is that the vibration that you were having beforehand was slowly but surely braking up and when you resealed the lube oil system the slightly higher pressure finally blew it out. You did also say it has 200K+ miles on it probably OE and had never been changed. Graphite gets really hard and brittle with time and heat cycling. I wouldn’t worry too much. Definitely go with a newer style head gasket with better material if you plan on throwing some crazy boost at it to avoid any issues going forward. Love the content bud. I can’t wait for the next episode!

  • @TheBananaMan4321
    @TheBananaMan4321 Před 16 dny +6

    my day has been made now that you uploaded

  • @evilmrx5837
    @evilmrx5837 Před 15 dny

    Loved the video Alex! Thanks

  • @garylucas2126
    @garylucas2126 Před 14 dny

    What a bummer, but at least you can build the engine the Legit way!
    I have been mentally preparing myself to replace crank seals and more on an equally leaky Celica but this video has shaken my confidence. 😢

  • @rattiusfinkus1106
    @rattiusfinkus1106 Před 16 dny +29

    You caught the corner of the head gasket with the drill brush while cleaning and probably bopped it just enough to break the seal. Looks like the corner of it sticks out so maybe something super weird happened when you cleaned it??

    • @ryandoyle4344
      @ryandoyle4344 Před 16 dny +16

      Sometimes the grime keeps it sealed up. (master cylinder)

    • @rattiusfinkus1106
      @rattiusfinkus1106 Před 16 dny +6

      @@ryandoyle4344 lol true. It was a slower leak before because it was so gummed up. Makes sense. Either way it’s an easy fix on this car. Very easy.

    • @david1o819
      @david1o819 Před 16 dny

      I get scared to clean my master seals every time!😅

  • @mrld3005
    @mrld3005 Před 4 dny +3

    Wow did not know Ben Shapiro was also a mechanic! is there anything this man can not do!!

  • @rubbishcar
    @rubbishcar Před 15 dny

    Super enjoyable video.
    Thanks!

  • @jacks6190
    @jacks6190 Před 13 dny

    At least people can see that anyone can have issues even though you weren’t touching that other part ! When some mechanic fix an issue anything can happen. It’s weird but it happened to me working on someone’s car! Not the head gasket but transmission pan gasket! Lol 😂 customer didn’t care and wanted me to fix it without having to pay for it! Sometimes you just got to swallow the pill and continue doing your best no matter what others say or think! Good luck and thanks for entertaining us the way you do it😊!!!! ❤❤❤

  • @davidgore3292
    @davidgore3292 Před 15 dny

    Great Video!!
    All The Best Brother....

  • @End3r_Wiggin
    @End3r_Wiggin Před 15 dny +1

    Recommendation: One of the mods that gave the best tactile improvement, was replacing the shifter with a Fidanza short shifter with counterweighted knob, and swapping out solid metal bushings for both the shifter mounting plate under the console, and solid bushings on the transmission where the cables connect. A massive improvement.

  • @aSpeedingCar
    @aSpeedingCar Před 14 dny

    It's not a coincidence!! I changed my brake lines and brake pads with some buddies. Got everything fully installed and it wouldn't start. Upon further inspection... my timing skipped l a bunch of teeth when we tried to do the first start after completing the brakes. Life of a DSM owner :)

  • @projekt_tib7005
    @projekt_tib7005 Před 15 dny

    Welcome to DSM life my guy. On my old 98 GSX, I could change the oil and the starter would go out.
    They break at the most random times for no reason lol.

  • @SublimeC88
    @SublimeC88 Před 9 dny

    Great video Alex sorry to hear about your situation. This was one of the reasons I got out of the DSM world. Their great cars lots of fun, but so many issues all the time. 6 Bolt, 7 Bolt, the shit still blows up 😅

  • @DQ81
    @DQ81 Před 15 dny

    I'm of the same school of thought. Ypu fixed 3 major leaks. Hogher oil oressure found it's weakest point. Good catch and have fun doing that head. At least its an accessable 4 banger!

  • @howeybros
    @howeybros Před 11 dny

    Great episode Alex!

  • @glenkelly998
    @glenkelly998 Před 15 dny

    Another great video
    At least all the stuffs going to come off easy
    I did feel your pain 😞
    With all what you've done to improve the power of this engine a head gasket etc makes perfect sense 👌

  • @hansbartenopavis2305
    @hansbartenopavis2305 Před 14 dny

    Only thing I can think of why the headgasket is leaking now is maybe:
    The hammering on the broken stud from the outlet manifold.....it was also on that side of the engine.
    Good luck with that. Nice Mitshu👌

  • @offroadfpv2917
    @offroadfpv2917 Před 15 dny

    I had a similar experience with a head gasket going out for no apparent reason. I have a sand rail with a turbo'd Hayabusa motor in it. The engine never had a single symptom of a bad head gasket, but when I started it up the first time after sitting over the summer it immediately started spewing coolant out of the exhaust at idle. The car had literally never moved under it's own power between the last time it ran perfect and a catastrophic head gasket failure.

  • @SatanPhD
    @SatanPhD Před 14 dny

    Alex can never catch a break. It seems like all of his cars recently look good and then take a poop on him. Hope your luck flips around . You deserve it especially with all the hard and professional work you do on them!

  • @peterzeberg6602
    @peterzeberg6602 Před 15 dny

    The exact thing happened to me!
    I have done the same timing belt and water pump job and now I got an oil leak at the exact same spot.
    Looking forward to the next video so you can show how the head gasket job is done. 😅

  • @RayRyan1123
    @RayRyan1123 Před 15 dny

    These videos have made me miss my 95 gst. It had a 2.3 stroker build even had those wheels on it but they bronze.

  • @nathanr5825
    @nathanr5825 Před 15 dny

    I have been putting TuxMat's in my cars for years. Best floor mats hands down. Look better than anything else and cover every inch of carpet you can see.

  • @slade-runner6773
    @slade-runner6773 Před 15 dny

    Flexing the to end from relieving the timing belt tension and putting on a new one, plus any other little bits of shocks from working around the head (pulling valve cover, torque from removing the cam pulley, pulling on and off the headers, ect). Old gasket is going to go on if it's been holding by a thread from the smallest thing.

  • @paulvaz5846
    @paulvaz5846 Před 15 dny

    Cheers Alex and Max!

  • @eliteemerz
    @eliteemerz Před 13 dny

    lol every DSM owner ever "how did my head gasket go?". That noise always gave out, even when they had low miles, especially the moment you modify them.

  • @fuseman3010
    @fuseman3010 Před 15 dny

    Chin up Alex. Hate that you have to replace that head gasket, but then again I love watching you fix stuff. Maybe next time double check the hubcap fluid.

  • @davidotoole-nu4ig
    @davidotoole-nu4ig Před 15 dny

    As always, terrific work! Unfortunately, I believe your cleanliness may have led to the oil leak. Either the head gasket was ready to fail, or had failed previously and been hastily repaired. The undoing was likely the copious application of engine degreaser and forced air during the cleaning process. What should have been a stable corner was likely a failure waiting to happen. Fortunately, an issue like this, which would derail most others, seems par for the course for you. The more work it needs, the better story there will be to tell! Keep it up Alex - you're definitely the real deal!

  • @r.dfordtech5996
    @r.dfordtech5996 Před 15 dny

    I love how u added the click to your ratchet. I also have a built in torqwrench 😅