Generation III Internal Engine 1997-2006 LS1 | LS6
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what size valves?

Old Jul 10, 2003 | 01:31 AM
  #1  
kumar75150's Avatar
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From: Dallas
Default what size valves?

My ported LS6 heads have 2.02/1.6 valves and flow 310 cfm at .600 lift.

I have an all stroke, stock bore motor. Do you think I would benefit from 2.055 or 2.08 valves?

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Old Jul 10, 2003 | 12:17 PM
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Ragtop 99's Avatar
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From: Bethesda, MD
Default Re: what size valves?

2.02 seems to work well on a stock bore. I would not report them unless the 310 cfm isn't legit.
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