Generation III Internal Engine 1997-2006 LS1 | LS6
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P/V clearance

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Old 04-13-2003, 11:56 AM
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Default P/V clearance

How big can you go cam wise before a .035" milled stock head see interefence between the valve and pistons?

How much lift and duration?


How about for a .050" mill on the same head?


At what point do this just not clear anymore?

TIA
Old 04-14-2003, 07:45 AM
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Default Re: P/V clearance

If you mill the heads .035" and you decide to use a head gasket between .030"-.044" and also run a cam in the .580"+ range.....you better start checking!
Old 04-14-2003, 07:07 PM
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Default Re: P/V clearance

As you go up in valve size,P/V gets closer.




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