Fast 90 to much??
Thread Starter
Joined: Jan 2005
Posts: 1,475
Likes: 1
From: Munfordville KY
Fast 90 to much?? Is a Fast 90 intake to much for a bolt on car? I may be working out a trade for one. Will I gain any power? Any disadvantages? I plan on swapping a cam in it later on, just don't want to hurt the performance till I get around to it.
TECH Resident
Joined: Jun 2007
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i dont think they hurt performance-they say their is a gain of 10-20 hp gain when they are just put on-
also they cost a bit -so imo they must be good for something-also they can be ported for more gains in the future if the hp bug sets in-
it will respond well to the cam also if u have not got the ls6 intake already-
a lot of people have got them so they must be good-
get a good 90 ml t/b to suit like holley etc etc-
also they cost a bit -so imo they must be good for something-also they can be ported for more gains in the future if the hp bug sets in-
it will respond well to the cam also if u have not got the ls6 intake already-
a lot of people have got them so they must be good-
get a good 90 ml t/b to suit like holley etc etc-
Once when i was at Cartek in Garwood, NJ I asked them about the fast 90mm vs ls6 and they said that unless forced induction it was worse than ls6. I think because the velocity stays up with more flow on ls6 but fast 90 is just too big and air velocity slows and i think this takes away from torque. Maybe they were recomending based on price or maybe not. I'm not sure.
Thread Starter
Joined: Jan 2005
Posts: 1,475
Likes: 1
From: Munfordville KY
I already have a LS6 intake, and no it wouldn't be an even swap (the intake is brand new) But then I would need a TB as well. I'd like to have it, but not really sure if it would be practical. If I knew I'd gain 10-15 rwhp I'd take it in a heartbeat.
Originally Posted by csteingraber
Once when i was at Cartek in Garwood, NJ I asked them about the fast 90mm vs ls6 and they said that unless forced induction it was worse than ls6. I think because the velocity stays up with more flow on ls6 but fast 90 is just too big and air velocity slows and i think this takes away from torque. Maybe they were recomending based on price or maybe not. I'm not sure.
