building ls3 427 stroker, which heads/cam combo?
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Best bang for the buck would probably be an L92 headed motor. Now that people are getting cam profiles figured out for these it might just be the way to go. I went with AFR 225's on my 416 simply because I already had a FAST 90/90 and I got a super deal on a barely used set of CNC'd AFR's.
Jimbo
Jimbo
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LPE Ls3 cncd heads with hollow intake valves, inconel exhaust valves and patriot gold sprIngs for 1600 are hard to beat in my book.
Flow numbers.
http://www.lingenfelter.com/images/L...CL92intake.pdf
http://www.lingenfelter.com/images/L...L92exhaust.pdf
Flow numbers.
http://www.lingenfelter.com/images/L...CL92intake.pdf
http://www.lingenfelter.com/images/L...L92exhaust.pdf
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the Mast performance part #510-302;
have 254cc int port volume
flows 360cfm at .600 int lift
and 251cfm on the exhaust,
have 3/4 deck thickness
will turn circles around the rest. nuff said
have 254cc int port volume
flows 360cfm at .600 int lift
and 251cfm on the exhaust,
have 3/4 deck thickness
will turn circles around the rest. nuff said
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The flow values on the MAST heads are on a 4 inch bore - be careful as many other suppliers rate theirs on 4.125 bore which makes flow numbers look better. If nitrous is in your future, the MAST head has a thicker deck than a ported GM does. You get what you pay for.
Last edited by COPO9560; 07-29-2011 at 10:06 PM. Reason: typo