Before/After Header Guess

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Apr 3, 2008 | 10:57 AM

choose8

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From: new jersey

Before/After Header Guess

Im going to be installing Strup headers on my z and I know everyone says they wont do anything for a Z so lets see who can guess the right amount of hp they are going to make.

Apr 3, 2008 | 10:57 AM

jonnylaw

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From: Meifumado

3whp across the rpm is my guess.

Apr 3, 2008 | 10:58 AM

MrKaira

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From: Richmond, VA

240whp before, 242whp after, if you're lucky.

Apr 3, 2008 | 11:00 AM

choose8

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From: new jersey

im dynoing at the same shop and last time i dynod 275.4 corrected on a DD. this will also be good to see how much of a difference 6months is going to make on the same dyno