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Biggest cam without flycutting??

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Old 12-26-2006, 11:48 AM
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Originally Posted by N4cer
What about the exhaust valve clearance? I believe that's the one that smacks, not the intake valve.
I can't remember the exhaust but I know it was above .100"
Old 12-26-2006, 12:19 PM
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Originally Posted by ttboydfw
I don't have any #'s yet. I'm hoping for 450rwhp and around 400tq. But what ever I make over that is fine with me. I still have a couple of changes I want to do and some more parts to put on before I go get it dynoed. My C/R is right around 11:1 and I had a little over .150" clearance on the intake valve.
What's the stock PTV on a LS1/6? Will the .150" be enough with a 150 shot? From everything I'm reading so far, I'm leaning towards the ETPs. Where did you get yours? Who's got the best prices on these heads?
Old 12-26-2006, 03:30 PM
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Originally Posted by NeverT00fast
What's the stock PTV on a LS1/6? Will the .150" be enough with a 150 shot? From everything I'm reading so far, I'm leaning towards the ETPs. Where did you get yours? Who's got the best prices on these heads?
I believe you shouldn't go below .100 on the intake and .080 for the exhaust valve. I'm not sure of what stock PTV clearance is. May be someone else can chime in. I bought my heads @ TSP. You'll have to do research on who as the lowest prices because I'm not sure. But you can't go wrong with ETP or TFS. Good luck on what ever you decide to go with.
Old 12-26-2006, 09:17 PM
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Actually, the recommended is backward from what you said. It's .080 intake, .100 exhaust.



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