Quote:
Originally Posted by 94cobra69ss396
You and I are talking about two different things. I'm talking about the piston to cylinder wall clearance and you're talking about the piston ring gaps.
Total Seal rings I bought for the Cobra showed to set the top ring at .0055 x bore, the second ring at .0035 x bore and the oil ring at a minimum of .015 for boosted applications. I set the top rings at .023, the second rings at .016 and the oil rings were .016 out of the box.
The Mahle rings that came with my engine kit were not file fit rings but the end gaps were all over the place. They ranged from .008 up to .016.
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No, Im talking about cylinder wall to piston clearance. I just mentioned ring gaps as a second example of erring on the side of caution.
.012 piston to wall clearance. Or .024 difference total. Meaning, if I had .003 clearance, and I opened up the bore .01/ or .005 on each side, I now have .008 piston to wall clearance, and it's well within spec for a forged motor. So Im not worried.