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Mike Pearson · 09-17-2025, 01:01 PM

I run my race engine at .036. There would be no noticeable difference at .040. There is a lot of variables to this question. Bearing clearance, rod type, wrist pin stiffness, piston weight, piston to wall clearance. All have an effect on deck clearance.

09-17-2025, 01:01 PM	#2
Mike Pearson VIP Member Join Date: Mar 2007 Posts: 2,473 Likes: 632 Liked 1,987 Times in 599 Posts	Re: Piston to head clearance I run my race engine at .036. There would be no noticeable difference at .040. There is a lot of variables to this question. Bearing clearance, rod type, wrist pin stiffness, piston weight, piston to wall clearance. All have an effect on deck clearance. __________________ Mike Pearson 2485 SS