Chevy LS6 closed chamber heads

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Revision as of 19:23, 15 April 2009 (edit) Robjuicer (Talk \| contribs) ← Older edit		Latest revision as of 23:43, 16 June 2009 (edit) (undo) Jon (Talk \| contribs) (Redirecting to Choosing cylinder heads)
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−	~~Found a LS6 (454) and put it in a 67 camaro. Its got the original closed chamber~~ heads, 30 over, 11 1/4:1, Isky Z89 Cam shaft 630 lift - 304 dur, 108 seperation, victor jr, 900 carb, 2 1/2in exhaust, Hooker headers. This is the question. I had it dyno'd and it has 395 hp at the rear wheels. I was expecting a little more. Should I dump the closed chamber heads for different heads (I hear the open chambers flow better) or is there a way to improve the flow. I understand the intake ports are to big to flow well and these heads are keeping the hp down (and the 2 1/2" exhaust). AFR heads?	+	#REDIRECT [[Choosing cylinder heads]]
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−	~~Hmmm, I thought all LS6 engines, which were produced first in 1970, were, in fact, open-chambered heads. So when you say 'original', it puzzles me.~~	+

Latest revision as of 23:43, 16 June 2009