LS1TECH - Camaro and Firebird Forum Discussion

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-   -   bearing help (https://ls1tech.com/forums/generation-iii-internal-engine/1519269-bearing-help.html)

3rdCoastPowerSports 02-24-2012 01:08 PM

bearing help
 
took apart my LS1 to freshen it up. block was honed and crank was polished. what rod bearings do i buy, main bearings, size? stock rods, stock polished crank.

KCS 02-24-2012 01:54 PM

I used ACL on the mains and rods in my engine. I've used Clevite in the past and didn't really care for them.

3rdCoastPowerSports 02-24-2012 01:57 PM


Originally Posted by KCS (Post 16006122)
I used ACL on the mains and rods in my engine. I've used Clevite in the past and didn't really care for them.

since im re using the stock rods and all i did was have the crank polished do i just buy the stock size bearings?

Bertbart 02-24-2012 02:27 PM

Ask your friendly local machinist to mic the rod journals. Then determine what clearance your engine calls for (probably .002) and go from there.

KCS 02-24-2012 02:51 PM


Originally Posted by 3rdCoastPowerSports (Post 16006140)
since im re using the stock rods and all i did was have the crank polished do i just buy the stock size bearings?

It depends on what your housings measure, what your journals measure, and what clearance you're wanting to run. You probably could just use STD size bearings and be fine, but you couldn't know for sure until you measure it all out.

chrisfrost 02-25-2012 10:14 AM

Hello 3rd coast ,,,,,,,,,,,,I don't know how many miles You're engine/conn rods have on them but I just wanted to let You know that even without aftermarket rod bolts the rod big ends still become out of round ,,,,,say 100,000miles probably like .002" difference . The bearings I like are the King bearings but I don't believe they make rod bearings that are .002" larger outer diameter .


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