INTERNAL ENGINE MODIFICATIONS Valvetrain |Heads | Strokers | Design | Assembly

debating on which manifold

Old Nov 8, 2007 | 12:04 AM
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Default debating on which manifold

ls6 intake

fast intake 78 mm

or fast 90 mm

which one would go sutiable with the mods i have and with the nitrous thats going to get put in?
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Old Nov 8, 2007 | 12:54 AM
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the one you already have...the truck intake
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Old Nov 8, 2007 | 07:44 AM
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LS6 intake for cost reasons, but a Fast 78 would probably be the best overall choice.
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Old Nov 9, 2007 | 01:10 PM
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yea if you don't mind spending the money i would definetly go with one of the fast
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Old Nov 9, 2007 | 05:22 PM
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any difference in the weiland or the flows between the ls6 intake and the fast 78 mm
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Old Nov 9, 2007 | 08:39 PM
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?/?....................
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Old Nov 13, 2007 | 12:37 PM
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The weiand intake is almost the exact same as an LS6 intake other than its made of metal. I say the more air, the better. If your willing to drop the cash for a 78mm, might as well do the 90mm.
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Old Nov 13, 2007 | 11:39 PM
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Originally Posted by DozerDan
the one you already have...the truck intake
Hell Yeah!

I wonder why the $50K Pontiac Daytona Prototype motors all run them over every other OEM manifold, must be they don't read this forum.
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Old Nov 14, 2007 | 12:21 AM
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im sayin since the weiland is alumminums is that a total kill compared to the stock ls6?

i got the 78 mm ls6 stock intake recently thats why i wanted to kno if thiers any difference in the weiland since its alumminum to the ls6
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Old Nov 14, 2007 | 06:04 AM
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From what I've read, the Weiand is worse than a stock LS6 intake.
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