40rwhp improvement?

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Dec 18, 2006 | 11:34 PM

CaptUSA

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From: San Diego

40rwhp improvement?

Hey guys. Do you think I could squeeze 40rwhp out of a set of Z06 heads w/ my current mods?

Daily drivability, price, power are how I'm placing my criteria. I know I'll always be leaving something on the table, but I love an OE feel.

Any input would be appreciated.

Dec 18, 2006 | 11:43 PM

RA4926

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ported 243's...no. stock 243's....no.

Dec 18, 2006 | 11:52 PM

Pythias

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From: Holly Ridge, NC

Maybe with a custom cam

Dec 19, 2006 | 12:40 AM

hammertime

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From: Smithton, IL

AFR 205's are one of the best heads out there, and they are advertising a 40 hp gain. Don't expect a realistic 40 hp from LS6 heads, ported or not.

Dec 19, 2006 | 01:07 AM

Krab

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Not 40rwhp, but maybe ~20rwhp once it's tuned. I'd expect more if you had a set of long tubes, no cats, a better flowing catback, ported throttle body and an UD pulley. In other words, full bolt-ons and I'd expect a higher gain.

Dec 19, 2006 | 03:07 PM

2 SSlow

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From: Troy, MO

just bolting on 243's...Nope.

Dec 19, 2006 | 03:12 PM

sidewayz28

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From: seattle

i bolted on 243s + a 90/90 to my bolt on 232/234 .595/.598 cam and im sure i gained a little more then 20+. but to answer your question no i dont think 40 is obtainable