Re: valve tick and a squeek on new l31 heads
I am using joe gibbs break in oil. 5w30. And a flat tappet break in lube on the cam. I am betting the sounds we heard was the lifters. But were going to double check everything in the valve train again just to be safe.
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USMC
SEMPER FI
68 Chevy Longhorn 350/400 factory posi
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