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Few questions about motor build

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Old 05-07-2012, 10:29 PM
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Default Few questions about motor build

Would a stock ls6 manifold be right for a built stock-cube ls1 (228r cam, 2.5 5.3 heads, 1 7/8 long tubes and full exhaust), or would a fast be better? If the ls6 would work, how much more hp would be expected using a fast 90/90 or 102?
Old 05-07-2012, 11:21 PM
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My opinion, worth the paper it's written on, is that the FAST is obscenely overpriced. However, they do make more power than the LS6. IIRC it's like 15-25 hp over an LS6.

I'm not 100% sure on the hp gain amount, but I am sure that they make more power and torque than the FAST.
Old 05-07-2012, 11:42 PM
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Thanks for the input, I agree they are way overpriced, but I figure I can sell my ls6 and ported tb to help recoupe some of it.

Anyone else have any idea what the gain would be with a fast over a ls6?




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