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Questions about head/cam?

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Old Jan 27, 2008 | 09:09 PM
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Default Questions about head/cam?

ok i am looking at this head and cam package

GM LS6 CNC Ported 59cc Heads,
225/229 .580"/.590" 114 lsa Cam & Roller Rocker Arm Kit

my question is what kind of hp will this make with lt's, fast 90, ls2 90mm tb, and a tune?

thank you
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Old Jan 27, 2008 | 09:57 PM
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Too many variables to state a number. But I'd guess somewhere between 400 and 450 rwhp.

Watch your compression...59cc chambers with that small (overlap) of a cam, and 91 CA octane might not fare too well.

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Old Jan 27, 2008 | 11:37 PM
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Watch head to valve clearance with 59cc and that cam. I would use stock MLS .050 head gasket but still check.

430-450RWHP depending on tune.
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Old Jan 28, 2008 | 10:13 AM
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Default Questions about head/cam?

Will you have any concerns about passing a smog test? If so, it would appear that the cam duration is beyond typical limits (224 or less) even with a tune. Just my opinion...

A1
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