Piston to valve clearence.
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From: Sandhills of NC
Piston to valve clearence. I have a '96 LT1 Vette with a stock bottom end. The cam I'm running is a .226/230 .565.565 111lsa. I also have 1.6 Comp Cams Roller Rockers. I'm going to use a Victor-Rienz .026 head gaskets. My heads are AFR 195 street eliminators out of the box except for a spring upgrade.
Should I bother checking PTV clearance or am I safe? What is the minimum clearance anyway? .150 ?
Thanks in advance
Should I bother checking PTV clearance or am I safe? What is the minimum clearance anyway? .150 ?
Thanks in advance
Last edited by Weav's Vet; Jun 5, 2010 at 03:41 AM.
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I thought it was .80/.100??
Anyways youll be fine. I run a bigger cam, milled heads .030 and the same thickness gaskets. I clay tested mine and it had tons of room, with that said it never hurts to double check.
Anyways youll be fine. I run a bigger cam, milled heads .030 and the same thickness gaskets. I clay tested mine and it had tons of room, with that said it never hurts to double check.
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you can run tighter than .100 in a race motor with regular valvetrain maintenance, but on your average street motor probably pushing its luck on valvesprings? miss a shift and you've got a good chance of needing a new motor. in reality you'll need to run quite a camshaft to run into ptv issues. granted im running an aftermarket piston, but im running 30+ degrees bigger and much tighter lsa than the OP and ptv is getting a little close but still safe.
