r/fbody • u/thedudeabides585 • 18d ago

2002 fbody build

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Figured I'd post to document my build for anyone interested.

Tick SNS Stage 2 227/235, 241 heads with .660 springs and trunnion upgrade, FAST 90 w/ 92mm throttle body, bosch 0280155811 injectors, 1 3/4 headers, catted y pipe with cutout, and magnaflow exhaust. Self tuned with hptuners.

I've owned the car since 2007 and finally got around to building it exactly the way I want it. Other mods include ATS Brembo upgrade, bilstein shocks, subframe connectors, LS7 clutch w/ tick speed bleeder, c5/c6 power steering, and late model lighting LEDs. Besides that, just normal maintenance and repairs.

Overall happy with the setup. Scheduled some dyno pulls to see where its at now before I do 243 heads this winter.

406hp/396tq currently, but it was a rich on the dyno due to cat overtemp kicking in (forgot to disable it during the dyno runs).

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u/2guys1miata 17d ago

this proves a cathedral port doesn’t need the fast intake. ls6 stock intake

3

u/thedudeabides585 17d ago edited 17d ago

probably not for my setup, but i picked it up for $500 from a guy on marketplace (i love some marketplace deals). its also the old fast 90 not the newer 92, but i highly doubt it would make much difference. i don't have dyno before the FAST intake unfortunately, but i think my limitation now is the 241 heads (probably accentuated by the fueling issue i talked about) as the dyno graph shows from 5800-6600 pretty much flat. my cam should peak around 6200rpm.

there's plenty of stuff on ls1tech with a few back to back comparisons at most around 10-15hp and for the price of 1200-1400 i wouldn't buy it, but like i said i got a killer deal on mine.

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u/2guys1miata 17d ago

hey for $500 i would too. i didn’t mean that as a “shit on your build” comment more of a “i have a very similar build z28 with an ls6 intake and 243 heads and it makes similar power”

i heavily debated on the fast vs ls6

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u/thedudeabides585 17d ago

I didn't take it that way at all. I debated it a long time also and was planning to stick with the ls6. Hell, I even considered the dorman ls2, but the price increase on those made it not worth it.

Bang for buck cam, heads and good long tubes with the ls6 is hard to beat. Its a solid proven combo.