How to Check/Adjust Crankshaft End Play SBC (Tech Tip!)

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3 жыл бұрын

How check your crank shaft end play and how to adjust if you have too little or too much (Thrust Bearing Adjustment)
Feeler Blade Method
SBC Spec is .003 to .011
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Пікірлер: 37

@jimmy_olds 2 жыл бұрын

The best thing about this channel isn’t identifying a problem, it’s how to deal with it.

@cuttersperformance 2 жыл бұрын

Thanks Jim! Appreciate that man

@traviscarr6536 3 жыл бұрын

Always showing the little things that come with a build. It’s the small things that really count with the mechanics of an engine though. Keep up the great videos.

@buckwall8410 2 жыл бұрын

I didn't do this and now I'm having rebuild a rebuild do to a warped crankshaft that was wore out in tearing it I checked and had almost 20 tho. Clearance. Yes very important to clear and catalog everything. Great video brother 👍

@cuttersperformance 2 жыл бұрын

Sorry to hear about your engine! Let me know if you have any questions during your rebuild Cheers!.

@buckwall8410 2 жыл бұрын

For sure and I appreciate it.

@cypressman Жыл бұрын

I'm on my first rebuild, 1954 - 1958 6-226 this helped a lot thanks

@cuttersperformance Жыл бұрын

Awesome! Glad to hear

@mitch1950chevy Жыл бұрын

Thank you so much for a great video, I thought replacing the bearings on my small block was a plug-and-play not so much..

@Fmandan77 2 жыл бұрын

I appreciate the information. Thanks for putting this video together.

@fukemallgarage 3 жыл бұрын

Great stuff Cutter, perfect explanation and demonstration we all appreciate your info. Keep it up stay safe

@cuttersperformance 3 жыл бұрын

Thanks brother I appreciate that!

@timmygun1 Жыл бұрын

Another great video. 👍 a big ole thumbs up.

@cuttersperformance Жыл бұрын

Appreciate that!

@1gbayfisher 5 ай бұрын

Great video! Ty

@michaelvrooman5681 2 жыл бұрын

Good information

@dpierson489 9 ай бұрын

By bending the bearings is only a short term fix! To do it right! Is to get a oversized thrust bearing, and machine the crankshaft for proper clearance. If the original crankshaft has to much clearance , it will need to be machined anyway.

@TargaWheels 2 жыл бұрын

There was one sbc I built that had excessive end clearance (.035). Put it together anyway. There was no noticeable difference. I thought there would be a clunking sound under load, which would get worse over time. Ran it for around 50,000 miles. Seemed ok. No clunking under load or no-load. Most of the other engines I did were within spec.

@MrNRAInstructor 4 ай бұрын

I went to replace the rear main seal on my 93' 200k mile SBC the other day. Found a 2" long sliver of bushing material behind the old seal. Checked my endplay, .050. Still runs smooth as can be. Probably gonna do a rering/refresh this summer now that I know about it.

@JN-mc1jk 2 жыл бұрын

How do you keep the shaft within tolerance?

@Brazonthefly 2 жыл бұрын

Do you ever use bearing blue to find and the scrap high spots on the main bearings? Or do you simply out the main bearings in and check with plastigauge?

@cuttersperformance 2 жыл бұрын

Don't typically use platigauge, i use a bore gauge

@lordsauto Жыл бұрын

Question do you torque all the other bearings accept the rear before u hit with mallet?

@cuttersperformance Жыл бұрын

You can torque or even just snug the rest. Only the rear thrust needs to be aligned

@lordsauto Жыл бұрын

Thank u sir

@lordsauto 8 ай бұрын

@@cuttersperformance I know just the rear has thrust but just want to make sure if i should torque down all the others and the rear a bit loose when tapping with mallet? or leave them all a bit loose when tapping. Also when i measure end play with mic all should be torqued down? Thanks i appreiate ya

@jerrymorgan2769 3 жыл бұрын

Paper shims work just as good

@chriswood7206 Жыл бұрын

Paper shims?

@shodancat1000 Жыл бұрын

is it possible for a higher mileage engine to have enough wear in the main bearings that there's up-and-down play (floating) at the front or rear of the crank?

@MrNRAInstructor 4 ай бұрын

Yes, this then leads to a drop in oil pressure since oil escapes in the larger bearing/crank gap and then main bearing failure.

@shodancat1000 4 ай бұрын

@@MrNRAInstructor thanks for the reply! sounds like i found the likely culprit for the daily-driven LT1 Camaro's ~5psi of oil pressure at hot idle 😂

@stevenpinedo9457 3 жыл бұрын

Howdy

@jacobmacdougal2529 3 жыл бұрын

Where are you from man?

@cuttersperformance 3 жыл бұрын

Ontario Canada 🇨🇦

@pnz4aufsh Жыл бұрын

Hawko is that you?

@crazyantny9161 3 жыл бұрын

Quite honestly, I think most people get this and have researched it. It was on of the first things I learned 4 decades ago. A better video would be of aligning the rear main on a BBC. It's easy, but most people don't even know that it needs to be done simply because of the over abundance of information on the sbc. Just about everyone assumes hat they see with the sbc holds true with the big block. Also, a venier caliper will not give an accurate reading. A standard micrometer should be used and measured on at 3, 6, 9 and 12' oclock positions. I'm not critiquing you, I'm just giving you my acquired knowledge of 37yrs in a auto machine shop. Peace out

@cuttersperformance 3 жыл бұрын

I was asked by a subscriber on how I do crank end play, so I thought I would just make a video. I've had great luck with this method and I know alot of guys do the same or similar. I find a good set of calipers can be very accurate when used probably and I find most guys that dont have much experience with a micrometer will probably get more accurate results with a vernier caliper. I appreciate the input and thanks for checking out my video Cheers!