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Old Sep 29, 2018 | 09:26 PM
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99torchredlb's Avatar
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Default Fast intake

thinking about getting another mod for my C5 …………….fast intake and new throttle body......is it worth the $1500 dollars...…….right now have comp cam, stage 2 heads, long tubes...and few other mods...…….
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Old Sep 30, 2018 | 07:16 AM
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Good for about 10-15 I belive depending on the setup.... I gained 12hp with a fast 92 and ls2 TB non ported. You will take the full benefit since you have heads done, that's my next step.
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Old Sep 30, 2018 | 11:03 AM
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I upgraded to a Fast 92 & CNC ported LS2 tb and noticed better throttle response and a bit more power from the butt dyno - have not run on the real dyno after yet.
In total it cost me about $1,000 for a used Fast 92 and LS2 TB so maybe not the best HP per $ but you are like me and running out of non-power adder options for more power.

Last edited by jglassmaker; Sep 30, 2018 at 11:04 AM.
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Old Sep 30, 2018 | 11:32 AM
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Originally Posted by jglassmaker
I upgraded to a Fast 92 & CNC ported LS2 tb and noticed better throttle response and a bit more power from the butt dyno - have not run on the real dyno after yet.
In total it cost me about $1,000 for a used Fast 92 and LS2 TB so maybe not the best HP per $ but you are like me and running out of non-power adder options for more power.
Options are limited...…...7,000 for super charger...….a little to much...bigger cam than have smog issues...…….
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Old Sep 30, 2018 | 11:54 AM
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It's worth 20+ if you buy one ported. There is a lot that can be done porting wise that will help over bolting a stock one on.
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