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-   -   What is the spec for main bearing clearance (http://forums.mustangworks.com/showthread.php?t=22693)

Stang_ROTY 04-23-2002 10:20 AM
What is the spec for main bearing clearance
 
Well, my main bearings are back in and my engine builder (and I) are very happy that everything looks good inside the engine. My question is...what is spec for main bearing clearance? Right now we are at .006 I pray this is spec. Please comment.

Jeff Chambers 04-23-2002 12:48 PM
Could be wrong, but I though SBF main bearing clearance was 0.002-0.0025".

Stang_ROTY 04-24-2002 06:45 AM
Hey Jeff! Nice to hear from you again. How's that AOD treating you? Regarding the main bearing clearance, I hope that you are wrong :D My engine guy said that anything between .006 & .008 is o.k. Let's hope he's right. Good luck this season.

finj347 04-24-2002 07:32 AM
No way should you run that much bearing clearance. That's just asking for trouble. I was thinking though, are you sure you don't mean crankshaft endplay? If that's the case those are acceptable numbers.

Stang_ROTY 04-24-2002 11:32 AM
Yes, I did mean crankshaft endplay. I really need to learn not to rush when posting messages. I read that between .006 and .008 is acceptable for a SBF, which is what you are saying. Thanks.

Quote:
Originally posted by finj347
No way should you run that much bearing clearance. That's just asking for trouble. I was thinking though, are you sure you don't mean crankshaft endplay? If that's the case those are acceptable numbers.


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