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Paul Precht · 01-02-2017, 08:39 PM

The piston is chasing the exhaust as it's closing, if it's a little tardy it gets smacked. The intake is chasing the piston as it's heading down, if the valvetrain is tight you can run .010" on the intake and it'll never hit.

01-02-2017, 08:39 PM	#5
Paul Precht Senior Member Join Date: Dec 2001 Location: Elysburg, Pa Posts: 731 Likes: 353 Liked 314 Times in 119 Posts	Re: LT 1 350 valve to piston clearance The piston is chasing the exhaust as it's closing, if it's a little tardy it gets smacked. The intake is chasing the piston as it's heading down, if the valvetrain is tight you can run .010" on the intake and it'll never hit.