Measuring crankshaft oil clearance on a Chevy small block V8

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  • čas přidán 7. 08. 2024
  • The old adage, "measure twice, cut once" rings true for Davin today as we measure for oil clearance before our crank is reground. Davin's been rebuilding engines too long to just trust the numbers that come from the factory. So today, he's not being lazy and putting in the extra step to verify that everything on the rods and mains is as it should be. Plus at the end of the day, we get a surprise visit from an old friend.
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Komentáře • 79

  • @ignaciogarcia6138
    @ignaciogarcia6138 Před 2 lety +18

    Watching Dave work and explain stuff makes rebuilding a motor seem so much more achievable for someone like me

  • @MoparDan
    @MoparDan Před 2 lety +15

    Davin, seeing that Buick straight eight engine restored and in it's appropriate new home was great. That '51 Buick Super convertible is a treasure. I'm a convertible guy myself. I own a '12 Chrysler 200 Touring convertible. I'm learning about my car and have so far done front and rear disk brake reline and changed out the power steering fluid on my car.

  • @vettekid3326
    @vettekid3326 Před 2 lety +26

    As a retired machinist and later engineer I would suggest checking your bearings for size in at least three places in case of out of roundness. Even if the block just been line bored or honed you can have hard spots in cast material that causes it to not machine properly.

    • @Hoaxer51
      @Hoaxer51 Před 2 lety +3

      I have a question for you, Davin used a bore micrometer and by the looks of it, it had three points of contact (at 3:32) for measuring. Wouldn’t that be checking in three locations all at once? He wasn’t using snap gauges and I understand using more locations when you’re using those.

    • @jzab
      @jzab Před 2 lety +3

      @@Hoaxer51 looking at when David is measuring the main bearings (6:18) there’s a pin in between the wheels and one opposite. I thinks these pins do the measuring and the wheels help with centring.

    • @joshuagibson2520
      @joshuagibson2520 Před 2 lety +3

      @@Hoaxer51 indeed there are 3 measuring faces on the bore gage. That just gets you centered. What the fine gentleman means by check 3 places is rotate the gage to measure 3 different locations of the circle to get 3 different readings and verify there aren't any spots over or undersize. As he said, just because you machine or bore a circle doesn't mean it will for sure be "round" or a perfect circle. I hope that explains it.

    • @Hoaxer51
      @Hoaxer51 Před 2 lety +2

      @@joshuagibson2520, What I saw at 3:32 looked like it just had the three contact points but as jzab pointed out at 6:18 I can see the single contact point so I understand why Vettekid said to check at three points. Thanks All for straightening this out for me, I saw one thing and I should have kept looking. I really enjoy these videos and there’s a lot to be learned here even from a short video.

    • @joshuagibson2520
      @joshuagibson2520 Před 2 lety +2

      @@Hoaxer51 all good my friend. I had a lot of old timers help me out in the trade over the decades and I've always vowed to try and pass along as much as they have to me.

  • @georgegrierson
    @georgegrierson Před 2 lety +8

    What a beautiful Buick! I used to be into speed but these days I am more into comfort.

  • @WorkshopRebuild
    @WorkshopRebuild Před 2 lety +5

    Who knew davin is only 2" tall haha! I love the new thumbnails and the quality of the videos are always on point. Thanks Hagerty

  • @marcmigneault8364
    @marcmigneault8364 Před 2 lety +4

    That Buick is just, wow!

  • @Lagrange1186
    @Lagrange1186 Před 2 lety +2

    Tuned in for the 283 update and now find my self tickled pick seeing the Buick update. Very nice job 👍🏻

  • @marcryvon
    @marcryvon Před 2 lety +2

    Great info Davin.
    I usualy hate the early 50's elephants but this one is sooo loaded with chrome details that I love it !

  • @Sam-yu6ss
    @Sam-yu6ss Před 2 lety

    Literally gasped when I saw the Buick! What a beauty! 👏🏽

  • @paulcochran1721
    @paulcochran1721 Před 2 lety +4

    Would like to see a more detailed article on the Buick install into a newer frame and then the frame adapted to the body. Great show!

  • @johnrebus1641
    @johnrebus1641 Před 2 lety

    Love the growl of that beautiful Buick

  • @billabernathy1541
    @billabernathy1541 Před 2 lety +1

    The Buick looks fantastic!!

  • @Damien.D
    @Damien.D Před 2 lety +1

    "turn something maybe musty and ugly into something nice".
    That's Davin's "sustainability" advice for you. Priceless.
    Don't throw the past. Make it last.

  • @linebk40
    @linebk40 Před 2 lety +2

    The only program I look forward to. If I don’t get my redline fix I get itchy.

  • @HotRodReverend
    @HotRodReverend Před 2 lety

    This is the kind of guy that every apprentice mechanic wishes he had while in training... flat out awesome

  • @markscrivener4768
    @markscrivener4768 Před rokem

    So cool Man..the practicality and the effort put into something that someone like me find’s interesting..top notch stuff in the preparation that evolves into an art form..and not just a job

  • @sadubone
    @sadubone Před 2 lety +1

    thanks for the videos. love the thoroughness. that Buick is stunning. thank you for sharing that update.

  • @retiredafce3373
    @retiredafce3373 Před 2 lety +1

    That Buick is sweet!

  • @spearhead30
    @spearhead30 Před 2 lety

    Nice! That was a great finale, maybe a series?

  • @moparedtn
    @moparedtn Před 2 lety

    Very classy ride there Davin. That car almost swallows a fella up...

  • @garlandhenry6792
    @garlandhenry6792 Před 2 lety

    Love the Buick - - Awesome job

  • @gac914
    @gac914 Před 2 lety +3

    That Buick makes me want to drive in to the local "A&W" and have the car-hop bring out a frosty mug of root beer on the tray that hangs off the half-open window!! What a great car!!! 😍🤩 (I believe I just showed my age!!!! 🤣)

  • @kyleforeman4543
    @kyleforeman4543 Před 2 lety

    Wow,what a beautifull Cruzer, purrs like a kitten. Great workmanship thru out motor ,chassis, paint an color combo,

  • @TV-xc1bf
    @TV-xc1bf Před 2 lety

    Good exhaust sound Buick👍

  • @Guardducks
    @Guardducks Před 2 lety

    Gorgeous Buick. 👍🏼

  • @N-Scale
    @N-Scale Před 2 lety

    Nice Buick Davin

  • @Myvintageiron7512
    @Myvintageiron7512 Před rokem

    You don’t need to check your bearings before the crank is reground if it’s cut .010 U.S. you just buy .010 under bearings you do need to check each Clarence but the crank will be cut exactly .010 under no more no less checking bearing clearances is just to verify your bearing bores don’t have something funky going on

  • @paisapaisa4531
    @paisapaisa4531 Před 2 lety

    Thats a great video,thaks!!

  • @joes3461
    @joes3461 Před 2 lety +1

    Watched for the boring "how to measure" content but wowed! by the Buick update ending. 😎

  • @Kickinpony66
    @Kickinpony66 Před 2 lety

    Man, that's a good looking Buick Super-Vic! Maybe Hagerty could do a video showcasing it? (aside from you driving it at the end of a Redline Rebuild video) 😀😀

  • @asimplehorseman4648
    @asimplehorseman4648 Před 2 lety

    I like the change up on the sound and camera work this week.
    That Buick is AWESOME!!!
    What about Snowballs ride? That thing is rolling history. Donde esta el carro Snowball?

  • @micnor14
    @micnor14 Před 2 lety

    @6:30 who else thought that was some foreboding music as he was writing down the numbers? Really confused me for a sec until I recognized the sound haha.

  • @Taverius
    @Taverius Před 2 lety +3

    Wow that's a pretty one 😍

  • @jayh1947
    @jayh1947 Před 2 lety

    Noticed the Oldsmobile wheel covers on the Buick. Nice trick...............Jay

  • @JeffersonGomes87
    @JeffersonGomes87 Před 2 lety

    Very good

  • @ricardo.pedraza
    @ricardo.pedraza Před 2 lety +2

    That's a lot of digits on that Rear Main measurement. Is that last digit a guess or is your tool that precise?

  • @Mateusz0000
    @Mateusz0000 Před 2 lety

    Great from Poland !! Cool

  • @matthewnicholas6365
    @matthewnicholas6365 Před 2 lety

    Wish you'd done this with a BMW S54, S65 or S85. Really nail down what's going on with those clearances vs the crank diameter.

  • @Anarchy-Is-Liberty
    @Anarchy-Is-Liberty Před rokem

    Man, that cap popper-offer is sweet!!! Where do I get one of those?

  • @larryburns4605
    @larryburns4605 Před 2 lety

    Luv that car

  • @clint4004
    @clint4004 Před 2 lety

    I'm really interested to see a 289 with some cut Vortec head as close to 58cc as possible and a Sniper EFI or MPFI..

  • @cdstoc
    @cdstoc Před 2 lety +1

    Great to see the Buick straight-8 again. So if the frame is a Crown Vic underneath the Buick, what is the Buick engine mated to? I think I heard a downshift at one point and didn't think the Dynaflow would sound quite like that.

    • @legostar55
      @legostar55 Před 9 měsíci

      It's a 700r4 and the chassis is from a Caprice Classic

  • @mitchf01
    @mitchf01 Před 2 lety +1

    Firstly love your channel, and it's great to watch you work. But with the rod vice I thought you'd have to have the rod and the cap clamped in there to prevent any twisting, what's your reasoning for just having the rod end clamped in there? Also, would you ever balance the rotating mass of a stock engine like this?

  • @rcpmac
    @rcpmac Před 2 lety +1

    Let me put something out there, I see you rocking the micrometer up and down. Assuming you are using the largest measurement, aren’t you taking a tipped measurement of the diameter? This would be larger a than a measurement taken with the instrument square to the diameter.

  • @efgk-qi7mz
    @efgk-qi7mz Před 2 lety +1

    Very baeutiful car.💪💪💪👍👍

  • @korykimbrell8676
    @korykimbrell8676 Před 2 lety

    Good show David. Out of curiosity. What ever happened on the sunbeam tiger project? Did the fellow finish it? Or what ever ended up of it. Thanks

  • @billbeyer657
    @billbeyer657 Před 2 lety +1

    Ah yes the Buick straight 8 the rocket scientists at Thirlby's tried their hardest to destroy

  • @popswrench2
    @popswrench2 Před 2 lety

    never found a wrong stamped bearing , however , i measure shells with ball mic in case and to catch wrong BOXED bearings . that i HAVE had a few times in past . now i have REMOVED used bearings stamped wrong ..... kinda ODD , but your warning is excellent none the less ; too possible to happen

    • @Hagerty
      @Hagerty  Před 2 lety

      Yup! We’ve gotten wrongly boxed/labeled bearings in the past, which is exactly why we always measure and verify!

  • @paulmac9634
    @paulmac9634 Před 2 lety

    Davin, I really enjoy the SBC build. I don't know if you have a camshaft picked out but it would be cool to see you use something like a Duntov 30-30 solid lifter cam and vintage 4 bbl intake/carb to top it off. Any thoughts on where this engine will end up?? Thanks!

    • @Hanzyscure
      @Hanzyscure Před 2 lety

      With stock heads it might be too much cam for drive ability .

  • @thespicemelange.1
    @thespicemelange.1 Před 2 lety

    So I guess no answer on that race car yet? See how you practically called me out on it for asking in the last video. I was just wondering cuz you started and finish three other projects since then, a little update would be nice. You guys are doing great work and I enjoy watching your videos and look forward to all the stuff that's to come.

    • @Hagerty
      @Hagerty  Před 2 lety +1

      Lots of stuff going on in the background on moving that project forward. We kind of have our hands tied a bit at the moment. Glad you're still interested in the project. We will get to it quite literally as soon as we are able to!

    • @thespicemelange.1
      @thespicemelange.1 Před 2 lety +1

      @@Hagerty thanks for replying

  • @TonyLiveTV
    @TonyLiveTV Před 2 lety

    I know you’re busy, but I noticed you torqued the main bearings out of torque sequence. Is that okay? I’m getting ready to measure my mains in a M117 (560SL) and I’m curious to know because it would be much easier to measure with the bore gauge out of torque sequence.

  • @MagPel1
    @MagPel1 Před 2 lety

    Where did the '37 Ford racecar build go? No updates in forever 😔

  • @colemanbonner
    @colemanbonner Před 2 lety

    How to check SBC oil clearance- fill with 5w30. Check hot oil pressure at idle. If less than 15psi, change oil out with 20w50. Recheck oil pressure at hot idle. If above 15psi, ship it. Lol

  • @jsrroadrash3663
    @jsrroadrash3663 Před 2 lety

    Ok I have to ask what ever happened to the mustang you drove from California seams like you got it back to Michigan and it was never seen again.

  • @shoominati23
    @shoominati23 Před 2 lety

    Is that a large journal or small journal block?

  • @SpecialEDy
    @SpecialEDy Před 2 lety +1

    I'm a cheap, lazy bastard. I just put it all together and plastigauge it. If it plastigauge fine, I send it

    • @ellieprice363
      @ellieprice363 Před 2 lety +1

      Yes, cheap and lazy. Might work, might not, but it’s one way to get it done if you don’t have bore mikes.

  • @ldnwholesale8552
    @ldnwholesale8552 Před 2 lety

    GM specs closer oil clearance on those engines. Around 1.5 thou. Which for a standard engine is fine though use the high pressure,,,not high volume 350 pump which pumps 55psi V around 35psi for the original. Then use a synthetic oil.
    I use 1.8-2 thou on 7500 rpm 12-1 350 race engines with 15/50 synthetic with no issues. None of this 2.5-3 thou rubbish using mineral oil. Oil pump uses a lot of power and for a wet sump loads up the dissy gears big time.

  • @edwardmohr5798
    @edwardmohr5798 Před 2 lety

    Too much coffee.

  • @Gallows_Motorcycle
    @Gallows_Motorcycle Před 2 lety +1

    DAVIN WE WANT YOU TO DO AN LS...

  • @HarryT9
    @HarryT9 Před 2 lety +1

    Judging by the guideline standards you don’t like ANY negative feedback ... but this is all that is wrong with the internet . All this BS on for a Stock block , stock rod motor ? Some one has trust issues... really .You are the reason trolls think every bolt needs to be torqued Too. Mahle and rock auto in the same sentence is absolutely crazy ... If you you can can explain why all this is needed for a bottom of the line rebuild , I will never comment here again . This is below what 90 percent of
    People are doing . And your teaching them nascar standards..... and if you don’t reply ... say hello to you BEST troll

    • @Hanzyscure
      @Hanzyscure Před 2 lety

      I pray for you to get well soon.

  • @catsandcarsringtailgang6188

    U ppl out of touch. BLOCKED

  • @lordsauto
    @lordsauto Před 2 lety

    Love the fancy tools