FAST 102 or 92 ? Mod advice?
Thread Starter
Intermediate
Joined: Feb 2010
Posts: 49
Likes: 0
From: Pensacola FL
FAST 102 or 92 ? Mod advice?
I'm looking for the best combination of mods to do on my 05 LS2 A4?
I'm going with the Callaway Honker CAI,coated kooks LT headers and high flow cats with X pipe and npp exhaust.
I'm not sure which way to go on the intake?Going to get a FAST but which one and if I go with the 102 will I gain much from having it ported?Also not sure about the TB,have my stock one ported or buy a big one?If I go ported stock TB who does the best job and will the butterfly size be increased?After all is installed will be getting a Cow or Fastprom mail order tune.
Thanks in advance!
Stoney
I'm going with the Callaway Honker CAI,coated kooks LT headers and high flow cats with X pipe and npp exhaust.
I'm not sure which way to go on the intake?Going to get a FAST but which one and if I go with the 102 will I gain much from having it ported?Also not sure about the TB,have my stock one ported or buy a big one?If I go ported stock TB who does the best job and will the butterfly size be increased?After all is installed will be getting a Cow or Fastprom mail order tune.
Thanks in advance!
Stoney
Last edited by redstv; Mar 12, 2010 at 09:32 AM.
Safety Car
Joined: Jan 2008
Posts: 4,711
Likes: 3
From: Middle of No where AK
For a non H/C application your probably better off with the 92 until more results come in from the 102. It made good power but in both test I have seen they've been on H/C cars not stock intake/exhaust only. I would just port the stock t/b as well you wont gain much from a larger one and if its too big your your application it can be hard to tune.
Safety Car
Joined: Jun 1999
Posts: 3,570
Likes: 3
From: Austin, Singapore, Kuala Lumpur, Houston, Dallas, Hong Kong, Elgin, etc.. Texas
I'm looking for the best combination of mods to do on my 05 LS2 A4?
I'm going with the Callaway Honker CAI,coated kooks LT headers and high flow cats with X pipe and npp exhaust.
I'm not sure which way to go on the intake?Going to get a FAST but which one and if I go with the 102 will I gain much from having it ported?Also not sure about the TB,have my stock one ported or buy a big one?If I go ported stock TB who does the best job and will the butterfly size be increased?After all is installed will be getting a Cow or Fastprom mail order tune.
Thanks in advance!
Stoney
I'm going with the Callaway Honker CAI,coated kooks LT headers and high flow cats with X pipe and npp exhaust.
I'm not sure which way to go on the intake?Going to get a FAST but which one and if I go with the 102 will I gain much from having it ported?Also not sure about the TB,have my stock one ported or buy a big one?If I go ported stock TB who does the best job and will the butterfly size be increased?After all is installed will be getting a Cow or Fastprom mail order tune.
Thanks in advance!
Stoney
Thread Starter
Intermediate
Joined: Feb 2010
Posts: 49
Likes: 0
From: Pensacola FL
The 102 does seem to have it's advantages,and the 92 seems to have a track record of being a great performer.If I knew I could get the same results from the 102 that would be an easer and less expensive route!
Any thoughts on this.
Any thoughts on this.
Last edited by redstv; Mar 12, 2010 at 03:27 PM.
Pro
Joined: Apr 2007
Posts: 663
Likes: 0
From: Arvada CO
You asked exactly the right question. We are all waiting for a tuner to step forward with the dyno runs and results that compare ported FAST 90, 92, against a FAST 102 on an LS-2 and LS-3.
Team Owner
Joined: Feb 2001
Posts: 27,254
Likes: 136
From: Short Hills, NJ
For a non H/C application your probably better off with the 92 until more results come in from the 102. It made good power but in both test I have seen they've been on H/C cars not stock intake/exhaust only. I would just port the stock t/b as well you wont gain much from a larger one and if its too big your your application it can be hard to tune.
100%But on the other hand:
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Team Owner
Joined: Feb 2001
Posts: 27,254
Likes: 136
From: Short Hills, NJ
True, at least it does on a heads & cammed car...the jury is still out on whether it will do the very same on a mere bolt on car (where only the 90/92 has proven itself thus far) as 'redstv' has. 
I'm betting that it will yield at least the same results on an LS2 bolt on car as the 92mm has (in other words, I don't think that the 102mm will make less than the older units do as some fear that it might) but I really can't see it making much more either.
I'm betting that it will yield at least the same results on an LS2 bolt on car as the 92mm has (in other words, I don't think that the 102mm will make less than the older units do as some fear that it might) but I really can't see it making much more either.
