FAST 90 and 102 questions...
At that point it seems strange to pay that much money when the FAST 102 can be bought new for less...
Also some people just don't want the extra install hassles of the 102mm since it doesn't gain very much over a 90/92 for a stock cube car.
I've got a FAST 90 throttle body, would it work with the 102?
I think Vengeance sells 102's ported for 1k.
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I've gotten my hands on a FAST 90 throttle body and I'll either get an 85mm MAF or do a speed density tune. The issue is the manifold. Putting a 90mm throttle body on the stock 78mm LS6 intake won't help me at all.
I missed out on an unported FAST 90 intake, paid the guy even, but he'd sold it without telling me. He did refund my cash, but I'm still left looking for another one.
I just feel strange paying brand new FAST 102 money for a used FAST 90.
It's $350 to have a 90mm snout put on my current LS6 manifold. Or I buy an LS2 manifold, fuel rails and injectors, then need to clean up the manifold. Or I try to find a FAST 90/92 intake manifold for a decent price or just get a FAST 102 and use the smaller FAST 90 throttle body I already have with it.
Which option would you guys choose? I'm not thrilled with adding a 90mm snout to my current LS6 manifold because then I can't recoup any money by selling it...
But if you mean just someone taking their sanding rolls to the opening and the runners of the ls6 intake...total rip off from the results I've seen posted.
I just checked E-bay, and there is a guy selling a Mamo ported 92 for $1600!!!
Guys, the only reason prices are what they are is because we pay them. If we quit, the price would go down.
I opted to pick up a FAST 78 for the time being. Runners are identical, and if I REALLY need to, I'll punch it out to an 85. But I doubt it.
The 102mm is just a better overall intake IMO, has nothing to do with power over the old version.
If you already have an ls6 you can get 300 all day long for it. Check Craigslist but make sure to dismantle all used intakes before bolting them on. Could cost you an engine! I speak from experience unfortunately.
Fitment on my car will be different as I've done an LS swap into my 944, I don't have an F body.
I've sourced an SLP MAF, FAST 90 TB and am looking into intake manifold options of either FAST 90, Fast 102 or an LS2...








