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LS6 vs FAST 78

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Old 04-28-2016, 09:17 AM
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Default LS6 vs FAST 78
Picked up a FAST 78 really cheap and wondered if it was worth the trouble to swap it for my LS6 intake.
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Old 04-28-2016, 09:56 AM
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If I remember they where just slightly better then the ls6 intake not by much, but like any other FAST they can be ported and really help them shine.
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Old 04-28-2016, 12:11 PM
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this one has been ported but who knows who did it and if they did a decent job, though.
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Old 04-28-2016, 12:51 PM
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It's worth it. I ported mine and made good power for cam and intake. Check my sig.
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Old 04-28-2016, 12:52 PM
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Definitely worth it. Power is made in the runners, and the Fast's are superior.
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Old 04-28-2016, 02:34 PM
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Me and the Dr. Always agree. I tell ppl if they find a fast 78 for cheap scoop it up. I made 427 rwhp with a 234/246 camshaft and that intake with a ported stock throttle body.
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Old 04-28-2016, 03:05 PM
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Here goes some good info on it.

https://ls1tech.com/forums/generatio...s6-intake.html
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Old 04-28-2016, 06:22 PM
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The only other suggestion I'd make is seriously ditching that FlowMaster CB for ANYTHING else, unless yours is some custom setup... The FM's don't flow well AT ALL for an FBody
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Old 04-29-2016, 09:37 AM
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actually ditched the flowmaster muffler a while ago, replaced it with a Magnaflow.

looks like I am going to clean this FAST up and throw it on.
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