WHAT IS BORE SCORING? PORSCHE 996 & 997
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- čas přidán 9. 07. 2024
- WHAT IS BORE SCORING? PORSCHE 996 & 997 (Episode 25)
Want to see how all this started? 😃 • PORSCHE 996 Carrera DI...
When I started this project I know very little about these cars. I knew that had a top speed of 175 mph that sounded super cool, but that they had an Achilles heel called the IMS Bearing which was bad, I now know that it is not the worst problem these cars can encounter...........
Dun, Dun, Daaaaaaa!
From Mahle Pistons To Ferrari-Esque Cylinder Liners, hold onto your wallet and your lunch 😅
I wish I got this awesome Borescope amzn.to/3ce2cjg
See how this all started HERE 👍 - • PORSCHE 996 Carrera DI...
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#learnonyoutube #engine #porsche911
0:00 WHAT IS BORE SCORING?
00:11 Introduction (Didn’t know much)
03:36 What is bore scoring?
04:18 What is a piston skirt?
05:20 Can you recoat your piston skirt?
SOME HISTORY
06:54 Iron vs Aluminum
07:42 Solutions to the Aluminum Problem
08:47 What is Nikasil?
09:30 What is Alusil?
09:58 What is Lokasil?
11:05 Lokasil Version 1 & Version 2
12:26 What Causes Bore Scoring?
13:04 Manufacturing Tolerances
13:34 The Aging Problem…
14:16 Compromised Lubrication..
15:06 Cold Start routine..
15:44 Manufacturing Compromises..
16:44 How to Diagnose Bore Scoring..
16:47 Smokey Exhaust
18:55 Oil Consumption
19:47 Oil Analysis
20:32 Engine Noises
21:00 Visual Inspection
21:52 can you fix bore scoring?
28:28 How Do you Prevent Bore Scoring
30:06 Lube it or loose it. - Auta a dopravní prostředky
Click HERE to see what happens next 🤖 - czcams.com/video/l1UCC_9yeS0/video.html
Just a note to correct the pricing info from LN -- The $5205 price includes all machining, cylinders, plating and a box of brand new JE pistons, rings, pins and clips. That is the cost for most every block regardless of bore size.
Hello Charles, accuracy is important, I appreciate you taking the time to comment. The price I quoted in the video is a direct quote from LN Engineering received shortly before making the video. Every effort is made to ensure the numbers quoted in these videos are recent & accurate.
I think this is probably now the “Must see” explanation for all prospective 986 / 987 / 996 / 997 buyers. Congratulations on doing such a fine job of giving a clear and easily understandable explanation the can be understood by “Normal” people. This really is the clearest information I’ve yet come across in years of looking into and around this matter.
Well done! I think in coming years this video is going to get many many views!
That said I did cringe every time I heard an English accent say “Aloominum”. Glad to see you said it correctly towards the end there!!!
Awesome video thanks Finn. Absolutely loved it (And tell Amber hi from me!)
Darooon!! I really appreciate the encouragement. An incident with an old women in a wheelchair and a rogue elevator shaft years ago made me decide to give in and “Americanize” my speech. But that’s a story for another time. 🤓 ‘when in Rome’ and all that.
You know that the English actually were first to pronounce Alu-minium right? 😂 The clue is the name of the language we ( and you) speak 👍😉
Technically it was supposed to be Alumium until somehow it changed to aluminum and now its changed again to aluminium for a more science-y sound to it. But realistically it doesn't matter. Pronounce it however your audience understands it. Thats all that matters in a world of language, to be understood.
But the word "schedule" though..... that one bugs me 😂 there is an "sch" so it SHOULD be sked-ule not shed-ule. If you want to pronounce it that way, thats fine. But the spelling really needs to reflect how it sounds. An english class would be easier if there weren't so many words spelled one way and many letters are pronounced differently or silent. We need to spell things how they sound so that future english speakers can learn the language faster.
Looking at you "Bolognese", "Colonel" and "rendezvous"... you may originate from other countries but if your commonly going to be spoken in the english language, respell them as "bolonie", "Kernel" and "raundevu".
Anyways... porsche! 😂
@@garyw1971 "The term aluminum was created by the man who first identified the existence of the element, British chemist Humphry Davy. Davy originally referred to the element as alumium" He later changed it to aluminium,
(because he was British, as am I).
Eventually they F-everything up (history proves that) even if they had it right at the beginning.
Like a Jaguar V-12 that you have to de-pressurize the A/C freon in order to adjust the valves (via shims)? Really?
Stupidity.
And (same engine) Phillips head bolts for the valve covers?? Really?
Only an idiot would do that.
Hey Finn it's good to see you're not locked out anymore ,due to an NDA, and can freely discuss the differences between the V1 & V2 Lokasil cast in cylinders for the bank 1 & 2 block halves and the change in piston skirt coatings also. If the original piston skirt coating hadn't been banned I don't think bore scoring would've been a big problem with this engine design.
Hello Warren! 🙌 I agree that Porsche got delt a bad hand by the EU, we might not be talking about bore scoring if the environmentalists did not get involved. Thank you for watching! 🤘😎
Perfekt video. Thanks for your excellent explanation. You do not only explain the specific problems of a 996, but also the technical and historical context perfectly. Please keep it up .
Lothar from Bavaria
Greetings Lothar of Bavaria 🙌 . There is soooooo much to learn 🤩 . Thank you for watching🤘😎
Another excellent video. Might I say, one of the best 911 engine rebuild videos on CZcams. Well done and keep them coming...
Howdy Lester! Thank you Dude 🙌
This was a great video. I learned some things here that I will apply to the care and maintenance of my 911. Thanks for presenting a complex topic in a clear and understandable way. Good luck with the rebuild.
Hello Al, Glad you liked it! Just trying to make sense of it all myself 🤪 . Thank you for watching 🤘😎
Congratulations on a really great informative video, answered a lot of questions I had and some I didn't even know I had 😂 great job, thanks for all the time you must spend doing these videos I can imagine they are very time consuming ...Thanks again cheers
I really appreciate you taking the time to comment Russel, the videos have been an education in many ways 😂🤣. Thank you for watching 🤘😎
Thankfully the 3.4 suffered less from scoring. Yours looks fab inside Finn :)
Well Hello there Pig Monkey! When this started I was a little bummed that this car was the 3.4 not the 3.6 it’s seems I was wrong.. again!! 🤣 I still want your steering wheel!! 🤘😎
Great work on this episode and congrats passing 1k subs! Your diligence covered all the knowledge I picked up in the past year plus you added a little more. IMO bore score is more of a threat than the IMSB. When I learned about the Lokasil v1 and v2 from the Hartech report and how bore scoring affects the bigger displacements I put a lot more value on the early 3.4L's. Mine was built in 3/2000. I'd wondered if there could be a mod or a product that could better oil and cool the bank 2 but I guess not since an effective solution would have been introduced by now.
From what I hear, people are using fancy pants oil with the low temp thermostats to improve their Lubrication Situation. Thank you for watching 🤘 😎
Thank you for gathering and presenting all of this information. Your videos are very well done and have been really helpful to me as a new 996 owner. Also, congrats on almost hitting 1000 subscribers!
Hello Kenny, I really appreciate you taking the time to tell me that! Going into this I could never have guessed that 1000 people would want to watch em! The whole experience has been very educational and enjoyable, Thank you for being a part of it 🤘 😎
@@ManinaGarage You are welcome! You've inspired me to up my game on my own channel! I love your intro.
@@KennyGillis I am one of your subscribers! 🙌
Thank you again, for all the research and leg work you’ve done on all this information.
You are very welcome Peter, Thank you for watching 🤘😎
Killer videos dude. I will be doing something like this sometime in the future. I'm not an authority on these engines either, but I far from a "Nube" either, somewhere in the middle of the pack still learning. Thanks for post these, I will be watching them all before doing my own and posting my own series.
Clint Hightower! That’s the coooolest name 🤩.
I wish you the very best with your project 🍀. People have been really fantastically helpful, i feel you will experience the same support.
When you get into it, let me know if you have any questions, there are many things that don’t make it into these videos due to time etc. Thank you for watching 🤘😎
@@ManinaGarage what Repair Manual do you recommend 🤔
Best “real” explanation of Nikasil I have seen 👏!
Good to hear, it was fun doing the research 🤓. Thank you for watching 🤘😎
What a brilliant video. I dont own a Porsche yet but I hope to get one, one of these days…I’m fully aware of bore scoring and ims issues. And this video helps a lot. Thank you
Very glad it was helpful to you. Use good oil and change it often 🙌 Thank you for watching 🤘😎
Such good info. Thanks for posting!
Most welcome Steven! Thank you for watching 🤘😎
Another great video ! Thanks for all the great info!
My pleasure brother! Thank you for watching 🤘😎
Great Video , thank you for sharing your experience
Hello Alan 🙌 Thank you for watching 🤘😎
Good job on your research you really laid out all the info nicely
Thank you for watching Aaron! 🤘😎
Good to see you did your research on the generations of lokasil and the piston skirt coatings. Lokasil has different densities/concentrations of silica throughout the matrix and when this removes the skirt coating then you have aluminum to aluminum contact, and here comes the bore scoring. The most recent alusil engine, from 9a1 to the 9a2, have gone to a plasma iron arc bore and piston skirts require no plating. SUME bore is being worked on to replace the nickel silica for future rebuilds also. I see you've made the prudent decision to install the DOF and are you installing the roller bearing wit this upgrade? EPS offers this solution if you desire to go that way (bulletproof).
Hello Warren, Thank you for the extra information, I know people reading these comments will really appreciate it. The DOF is part of a Kit from TuneRS Motorsport in FL. It does NOT have a roller bearing, I'm sure I will be crucified in the comments for that 🥳 .. Thank you for watching 🤘 😎
Another outstanding video, Finn! Well done!!!
Great to hear from you Tom, Thank you. I hope you had a rejuvenating weekend!
chockful of great info. Thank you for putting the video together!
Great to hear some feedback Duderama 🙌 Thank you for watching 🤘😎
Good video how ever, very instructive about 996👍🏻👍🏻👍🏻
Glad you liked it Enric 🙌 Thank you for watching 🤘😎
Best Porsche channel!
Best Subscriber Comment! 🤩
Love my 2003.You are awesome.
Aaaaaha! so you have a Porsche... I'm getting to know you piece by piece 🤓 . Thank you for watching 🤘😎
Mate, what a fantastic video, you put so much work and effort into them its a real credit to you. Really wished you lived up the road from me I would love to buy you a few pints of the black stuff. Looking forward to the next install. Mick 👍👏🍻
You already bought me a few Mick! I really appreciate it 😁. It’s a holiday here, hopefully you can get some fun for you and yours 🥳
@@ManinaGarage we just live 30 min from Portrush/Portstewart but with the good weather we been having this last few days the traffic just getting to the place is mad, so kept clear. Been out painting garden gates and cutting grass and various other household chores for my sins lol. Wish I lead such an exciting life like yours, having all these beautiful women tighten your nuts. 🤣🤣🛠👍🍻
I do not think it is right that Porsche did this experiment on their customers. Nikasil used on the turbo engines was much better quality and does not have the issue. The C8 from Chevrolet has a much longer better warranty, they do not have cylinder scoring, 0-60 3.3 seconds and 195 mph
It is definitely something that should be on everyone’s pre purchase checklist. Check from the sump side to be sure 🍀
I think it's worth mentioning that any engine can suffer from bore scoring if it's not treated well. My mate's M3 has got it, but no-one ever mentions scoring in M3s. 996/997 etc get checked so much for this that it is inevitably found very frequently. This seems to have led to people thinking scoring only happens to these engines. If all other cars were checked as assiduously, it would be found much more elsewhere too.
From this we can deduce that, it's likely that not all 996 /997 scoring is due to the design and choice of materials, some of it is simply due to poor maintenance or use. It is therefore possible that it is only the bigger capacity engines (or even just the 3.8s) that actually have a design /material issue. The others are just misuse.
This puts a slightly different complexion on the situation as it means all of the smaller capacity engines have no greater risk than any other car.
Hello P jay, you raise a very good point. There are many factors that go into the publics perception and knowledge of car reliability issues. In order to gain access to some of the research materials used in the Bore Scoring episode I had to sign an NDA. While the materials were worth the NDA it did compromise how directly I was able to talk about some factors. After the researchers saw the episode they released me from the NDA. In short here are a couple of things I had to say in a round about way in the video.
1. The tiny grains of the Locasil cylinder material getting knocked off the cylinder walls are a significant contributing factor in skirt wear and the resulting scoring. They travel through the oil system and often lodge themselves on the skirt itself causing further wear.
2. Fuel injectors that fire in an uneven pattern lead to reduced lubrication especially on startup. They should be considered a were item and replaced every 50-75k.
The M96 engine in the early Boxster does not seem to have significant bore scoring issues. There are two factors that changed for the M96 engine in the Carrera, Increased displacement putting increased strain on the same design and new pistons with a new skirt coating that was environmentally compliant but less good at doing the job.
DEFINITELY poor maintenance and general abuse would play into this equation. As mentioned in the video, the Carrera Im working on is VERY high mileage and had zero signs of bore scoring, which is somewhat encouraging for all the aging 996's out there.
Thank you for watching 🤘😎
@@ManinaGarage very interesting. This is useful additional information, and yet it adds somewhat to the confusion! Both of the points you raise are indeed potential contributors to bore scoring, but they would apply to all 6 cylinders equally. Yet we see it limited to 4,5&6 so incredibly frequently in the 3.8. This is why my gut feeling is that there is a fundamental design/material issue in the 3.8, but not necessarily in the other engines, because in those it seems much less frequent and perhaps also less predominantly in only 4, 5&6? (Presumably the left handed piston issue you raised applies to all the engines, not just the 3.8, and yet it's only the 3.8 that seems almost certain to suffer at some point on 4,5,6, therefore the pistons can't be the root cause or the 3.8 wouldn't suffer more than the others because they all have the same pistons.) To be honest I think the report produced by Barry at Hartech is the best explanation, it's heavy going but it seems to provide the only completely logical explanation I've ever seen.
That's why I wouldn't have a 3.8 unless it's got a Hartech rebuilt engine. If you can find one of those, you've got a fantastic car that's actually very comparable to a 997.2 Carrera S.
(Unfortunately there are many other companies who just scaremonger to try to make a lot of money out of it and rebuild the engine using standard unmodified parts, and guess what is going happen then!)
My personal risk assessment is as follows:
A car with a standard 3.8 engine is a very high risk choice, even if rebuilt.
Any car with a Hartech rebuilt engine is by far the lowest risk option, and should really be lower risk than any other type of car, due to having been rebuilt.
All the rest are somewhere in the middle (with Locasil 1 cars being lowest risk of those) and they may well actually only have more or less the same risk of bore scoring as any other car you might want.
Thanx again....
🤣😂 Thank you for watching 🤘😎 (Again)
Quality as always
Yeeees, I get to live for another week without broken legs ✊
awesome explanation ,thanks
Thank you for this very well presented video with excellent information! I am a new 996 owner but haven‘t taken physical possession of the car, yet. Mine has a build date of11/1999 and therefore I presume that it has the preferable Lokasil v1 in the 3.4 litre engine. I will take frequent oil changes to heart, even more so than I do with my other vehicles. Count me in as a new subscriber!
Awesome to have you aboard Sir! 🙌 Your gen 1 996 is IMO the future classic of these cars due to the cable throttle, dual row IMS bearing and as you correctly pointed out, Lokasil V1 ✅ Since making this video I did an online poll and found the best oil for these cars is 5w-40 synthetic. In the USA motul and liqui moly are the go to brands. In the UK, Millers nano drive seems to be the Uber oil. (Some people go as thick as 10w-50) Something I was not able to mention in this video directly due to a non-disclosure agreement I signed to get some of the research materials……the bores are being scored over time by tiny pieces of Lokasil being knocked off the cylinder wall by the piston. Oil changes are really the only thing you can do to make a substantial difference to the longevity of an already used car. Very good luck with your awesome new ride 🍀 Thank you for watching 🤘😎
@@ManinaGarage Thank you very much for the engine oil suggestions! I believe, though, that my car already has the electronic throttle control. I will check under the rear carpet when I have the car in my hands.
My 2015 Macan had a ticking noise in the engine. Turns out it was a bore score and required a full engine replacement at a ridiculously high price.
Wow! I had no idea the bore scoring problem could continue to happen in a 2015 Macan!! I appreciate you taking the time to share that, thank you for watching 🤘😎
2015 😮 I thought this was all sorted long before
Thanks for your video... I would say that it carries probably the most important information of all your videos yet. However, it might make me sell my 996... might... not decided yet. I have too many cars anyway... Best wishes from Taiwan
I hope I didn't make you sell your beauty! Thank you for watching 🤘 😎
Great content and amazing depth. I picked up a C4S which has a suspected crack in the cylider wall. Per your knowledge, is that something that can be fixed by LN Engg or the other companies. Any help on this subject would be great.
Hello Deepak, a cracked cylinder wall needs to be replaced with new cylinders like those made by Hartech/slakker racing or LNE. It will cost a few thousand. Thank you for watching 🤘😎
@@ManinaGarage Hi Finn, revolving back to my problem. I am not sure if you provide any consultation as I am facing some issue to decide whether I should scrap or rebuild. There are some local garages who has given me hopes with high bill but I really don’t know who to reach out for real expertise. Let me know if you are willing or if there is anyone else who does this.
@@deepakshara1 email me: stuckinagarage@gmail.com 👍
Hello I love your show, Keep on the good work, regarding the bore score I did want to mention that it seems to start when the piston skirt coating begins to flake off, the flaking between the piston and the cylinders then produce the scoring, that said have you considered replacing the pistons?
Hello Eddie, There were some aspects of Bore Scoring that I was not able to discuss in the video due to a NDA that I signed to get research papers on the subject, that NDA got removed this morning so here we go. The simple truth is that Silicon particles are being knocked off the Lokasil cylinder walls by the rings and getting trapped between the cylinder wall and the piston skirts. In addition to that, it was known at the outset that the redesigned piston skirt coating would not survive the new Lokasil V2 longterm regardless of how the car was treated. In the case of my specific engine, there is no need for new pistons though that option was included in my price rundown as it was an option I looked into. Thank you for watching 🤘😎
Yes, that makes lots of sense, thanks for your quick reply.
Something to consider is that the coating on your piston skirts are harder than the newer version. Love your channel, looking forward to see the next episode.
Well done, absolutely top notch video.
Thank you for watching Jon! 🤘😎
You're welcome, easy watching. In fact, it's inspired me to buy an engine lift and remove the engine on my 997. Can I ask, what was the main guide you used for the removal/install?
@@jonwillmott4767 I got the Bentley manual off amazon amzn.to/3KryJUc
Top man, thank you.
@@jonwillmott4767 🙌
Someone got a special mention at 16:40 😍💪🙏
You know it!!
Great video. Hartech might be great but I had mine done at Flat 6 Innovations and its amazing.
Hello AK 0625, That is great to know, thank you for commenting. Its great for people to have recommendations to resources people can rely on. Jake Raby is getting a mention in the next episode, he was one of the people who helped me figure out the IMS chain issue in the IMS SOS episode. Thank you for watching 🤘😎
@@ManinaGarage anytime. I wish your channel success. Takes a lot of balls to do the work you’re doing out of you garage. I have done quite a few things myself but would never tackle dripping an engine at the house. The deepest I’ve gotten is changing out an air oil separator on my precious car which was a 996 C4. I have an 06 997s with one of Jake’s engines currently. What a monster.
how about running them on fully synthetic two stroke , a very lean mix of say 100/1 , would that help on all these cold starts , or just block up cats ?? just a thought.
Hello Tom, I hear what you are saying. Hartech UK use a very think oil as standard in their engine builds 10w-50 which was surprising. An oil that thick may be more likely to hang out on the cylinder walls between startups. With these engines burning a quart every 1000 miles they are kinda running a very weak 2 stroke mix already 🤣😂. I appreciate you taking the time to comment!
great video !
I really appreciate that Martin 🙌 Thank you for watching 🤘😎
What I do not know is if you can re use the original pistons with a sleeve or a Hartech cylinder?
Hello Andrew, I think you would have a hard time convincing Hartech to put the old pistons back into an engine they are rebuilding. The ferrostan coating are designed for Lokasil only. Plus, if you are paying for the resleeve/repiston anyway, going up in displacement to 3.6 or 3.8 is no extra cost.
Who would you recommend to disassemble the engine? I definitely could not do that ! I am in California as well! Thx
Hello Shughes! I have no idea! 😂 This project is my first venture into car repair, my knowledge of Porsche workshops is zero. I would recommend Facebook groups and google searches to find a suitable mechanic. I hope you buy one and have some fun with it. Thank you for watching 🤘😎
Awesome video, what about the 987.1 cayman base? Can they suffer from bore scoring? It's a 2.7
Howdy Duderama! 🤠 . Please understand that the video was put together from research, NOT experience. Having said that, based on what I learned, your car will be lokasil V2 which is the a rougher surface that does appear more prone to bore scoring. However, the smaller displacement and lower power of the Boxster engines does SEEM to make them less prone to bore scoring and certainly D chunking (Smaller displacement results in thicker cylinder walls). Again, I do not have a workshop where I see hundreds of examples of these cars to form my opinion. The scoring begins with little chunks of the lokasil itself getting knocked off the cylinder walls and lodged in the gap between the skirt and the cylinder wall. Like I said in the video, using a quality Oil and changing it often is the simplest way to reduce the risk of bore scoring. Combining that with the start-up procedure, oil analysis, and good general maintenance are about all you can do preventatively. Thank you for watching 🤘😎
Nice video ❤️❤️❤️❤️ What i am seeing is that wrong oil and not service are causing these bore scorings. Failurerate is very small. There is many engines that are super condition with 200-300.000km. SERVICE is everything for these engines. Also i am only recommend to build engines with iron linears with forged pistons. 💎🙂 buut what do i know, i am just Engineer from space. 😅🤣🤣
Sir Yes Sir!!
Great video! I am on the fence with the 997.1. I want to buy one because it is in my budget and I like this model the best however I don t won’t to plunk down thousands for a rebuild! May just save a bit and get the gen 2..
Sounds like a nice problem to have. My understanding from making these videos is that the gen 2 has the less reliable single row ims bearing plus a similar bore-scoring story. If I were trying to buy a car to drive I might recommend looking at turbos, they have a different engine design that is more reliable. Plus the turbo cars have the performance that most people are expecting from these kinds of cars. Thank you for watching 🤘😎
@@ManinaGarage I Never considered a turbo and didn"t know that about the Turbo engine.You def spark my interest! Thx..
Informative and entertaining, I'm not sure how you do it. Don't forget you'll need to gap the rings whether you have new pistons or old. Don't take this the wrong way, but before you reuse the old pistons, we should have a close look at your skirts...
😏
Hello Ken, my life in the last 30 days has revolved around those skirts, what are your thoughts? 🤓 regarding the rings, I did get the specs on the compressions rings and tested a couple of them and found them to be bang on. I also spoke to Lee Jenkins at Hartech about it, he said that if I’m using stock Pistons and stock rings in a stock head, there is no need to gap them? I hope you saw a your shout out regarding the 997 Oil returns! 🙏 it was also because of you that I got the TuneRS Motorsport DOF IMS Bearing 🤓🙌 THANK YOU
@@ManinaGarage In the previous Porsche engines (which NEVER has IMS issues), IMS bearings had a pressure fed oil supply (like every other load bearing), BUT a bronze alloy sleeve bearing. I am not sure just adding oil feed to a poor design will fix the problem. The 996/997 IMS is in an oil bath, but ball (and roller) bearings need grease!
IMO (just a dumb airline pilot), I think the "proper" solution to the Porsche IMS failure problem is look at what works vs doesn't, like the aluminum cylinder and aluminum piston interference issue (this video), and develop a solution based on correcting the design faults.
So far, no one has.
I am leaning toward the EPS roller bearing, as it has more surface area, and is in the oil bath
(until someone invents a pressure fed sleeve bearing, like the Mezger design)
Just my 2 cents (my opinion)
Paul
P.S. to anyone reading this: I am just a dumb airline pilot, you should learn facts (not opinions... there is the rub) for yourself, and make your own decisions.
Im buying a 3.4 boxster S 2006, it's had 12 owners! (M97/21 I think?), I've requested bore check and dealer ( porsche specialist West sussex UK ) had agreed to check it, he may only go in the spark plug, do you think I should insist he goes I the sump?
I test drove, and no smoke was noticed ( I wasn't watching for it) last oil change 1 Yr ago and dealer says not due for another year, service history is full with 2 Yr oil changes milage is 78,000 miles.
Thanks for great video, I have subbed :)
Well hello there Vass 🙌, That Boxster sounds pretty kick ass 🏎. Bore scoring starts at the bottom, by the time it’s really bad you can see it at the top. It requires draining the oil and removing the sump plate. It’s a pain in the butt 😅. Compared with the hassle and expense of fixing the bore scoring ($10k+) they better check it for you, dammit! 🤣😂. Good luck with your purchase 🍀. I am am happy to answer questions if I know the answer, I can certainly point you in the direction of some gurus that can definitely solve the riddle. Thank you for watching 🤘😎
@@ManinaGarage thank you, hes going to send me photos, so fingers crossed 👍 thanks for reply, appreciate it
This ain’t no “cringefest”
Not by a long way 👍🏾
Hello Nate, I’m not always convinced of that 🤪. I hope you are enjoying your day off 🏖
hi i got a 996 .1998 3.4 , tip tronic116,575 miles on the clock suspect bore scoring ? can you tell by listening to it got a ticking noise both sides after six or ten mile run , but not on start up i don't want a re- build please any advice would be appreciated thanks gareth.wales uk
You need to take the oil pan off an stick a borescope up into the back of the cylinders to check for bore scoring. If it’s bad enough you could see it by looking through the spark plugs. Good luck 🍀 Thank you for watching 🤘😎
@@ManinaGarage hi ,will do thanks for the info, top man , thanks gareth wales uk
Tiptronic cars do occasionally make a ticking noise at idle when warm, I've noticed it and I've seen others comment on it too. Don't know exactly what it is though.
Find a video showing how to disassemble and assemble the motor plees
You found it! Check out the playlist menu in the description. Thank you for watching 🤘😎
😱😱😱
Have you decided what you'll do for IMS bearing?
Hello Erol, This exciting box came a few weeks ago....instagram.com/p/COl1bqHlFOj/?
DOF!
Commented over there
How many miles is on it?
Great question Christopher and one of the very few factoids that I am keeping till the end 🤫. Thank you for watching 🤘😎
In fact as i look your vidéo, i understand that Porsche is not guilty, we are all guilty hahaha , i will told my brother so passionnate about cars that when he broke his porsche 997 with 40000km that was his fault.
It s like reading porsche magazine haha of course we are not guilty we are porsche. It s a shame , it s a conception error, a design bad to cool the motor. Intervalle maintenance said 2 years or 30000km !! Insane !! Every model of m96 m97 will get this problem 3,4 3,6 and 3,8 phase 1 and 2 . The only solution is to do an endoscopic test. This car is a lottery about will you pay 20/25K€ for a New motor ? When ? Tomorow ? A shame...
Nice presentation, and I like the dialect! I would try to be a it more careful with some statements here. For one its your statement that the piston scratches the bore. This cannot be in principle because the piston surface is at least 10-times softer than the softest wall constituent. This is known for two centuries already since Friedrich Mohs' work in this field for mechanical characterization of materials. The only material capable of scratching anything in this context are the Silicon fragments once they separate from matrix for whatever reasons, and not being suspended properly in the piston wall (eg. absent or too thin coating). I am also bit confused by the terminology "harsher locasil 2". My understanding is that the wall is more "agressive" to sth., but I think it would be great to share some more details on the differences in the properties of these two material generations.
Hello il, we have talked about Moh's hardness scale a couple of times on the channel, I don't think people are going to make a simple mistake like that. I could make technically perfect 3-hour videos that nobody watches or help 10k+ people get up to speed with an owner-level overview, which do you think has more value? Thank you for watching 🤘😎
@@ManinaGarage The reference to Mohs was only to highlight that you ignore more than a century of science when you state that the (plastic ) piston scratches the (metal/ceramic) cylinder wall.
You are fundamentally wrong on that front, and if you have talked about Mohs already, I highly recommend to read some basic science text books to educate yourself before telling nonsense to thousands of owners.
@@ilhermann You sound like a scientist, but sometimes scientists get "wrapped around the axle" on a detail that is incorrect or does not apply (I am just a dumb pilot. I am results based, not theory based).
We all know "galling" (substrate, tearing substrate), in this case aluminum tearing aluminum. Porsche changed the previous proven design, and invented "bore scoring".
I know nothing about Mohs (except that it is a hardness scale, and a type of skin surgery (hopefully different Mohs persons!)
What I do know is that previous Porsche designs don't have the piston skirt to cylinder interference (and subsequent wear and galling) issue, OF THE CYLINDER WALL!
What you should ask is "why?'
Very informative! Horrible music though ;)
Was it the Fiesta at the end? 💃🕺 If I keep making these videos I'm going to have to branch out into Morris Dancing soundtracks or random birdsongs just to have fresh background music 🤣😅 . Thank you for watching 🤘😎
Whats with all the yank lingo ? Toobe, alooooominum.......?
Hello Steve, The Tiny Garage is in Southern California 🥳 Duuuude 🏄♂️. Thank you for watching 🤘😎
The lingo is correct.
It is pronounced toob, not "chube" (as you pronounce it).
And it is spelled aluminum, pronounced: A-lu-min-um, not Al-oo-MIN-I-um...