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do good flowing bolt ons really matter?

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Old Feb 8, 2007 | 06:36 PM
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Default do good flowing bolt ons really matter?

ok well im planning an engine build for boost and i was wondering where i can save some money. do i really need a good flowing set of heads or intake when it comes to FI? could i get away with a built 402 and ls6 heads/intake and to make up for poor flow (when compared to bigger better heads) i just turn up the boost? basically do flow numbers really matter for FI or is that just for N/A applications?
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Old Feb 8, 2007 | 07:18 PM
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You can make lots of power with small heads, but it will take more boost to get there, and that requires more octane and reliability will be lower.
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Old Feb 8, 2007 | 07:25 PM
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ok that makes sense. now if people are making 700+WHP out of boosted stock cube 346 motors would it be reasonable to expect 900+WHP out of say a built ls2 402 with stage 3 ls6 heads and 90/90 intake with a reliable amount of boost coming from properly sized turbos?
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Old Feb 8, 2007 | 07:46 PM
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Yes , but I would think you would want something with a little thicker deck to help against the heads lifting.
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Old Feb 8, 2007 | 08:03 PM
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AFRs?
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Old Feb 8, 2007 | 08:08 PM
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I havn't heard any bad thing's about AFR's. I personally went with the Dart225's because of the potential and affordability.
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Old Feb 8, 2007 | 08:29 PM
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If you are going FI and running a lot of boost don't use that Fast intake. It will break. Look it up..
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