Quote:
Originally Posted by Alan Roehrich
I use Comp Endure-X.
But you really need to step up to the 0.904" lifter.
Most lifter problems are related to oil, and valvetrain control.
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Comps measure .841 which is to small for a stock liftter bore as GM lifter bores run .844 and .003 is to much clearance. Comps should be measured for taper and roundness as i have seen issies in that area.
Most old BBC's have some wear in the lifter bores and should go to .904 and clearance should be .0014 to .0019
I see more Morels Roller lifters go through our shops.