tomsws6

iTrader: (2)

ok i need a tune because i just put longtubes on and thought i could get away with it but, uh, no. anyway i dont know a damn thing about what i need so looking for suggestions. i just had a trifecta tune witht he shortie headers and the dyno graph said 360rwhp.

i have a 97 lt1 with a mild 355, 6sp, lt4hotcam, 1.6rr, p/p stock heads/intake, jethot longtubes into catted Y, s60 rear(373 gears)

thanks

Duffster

iTrader: (103)

custom tune. . . different cars react dissimilarly with near identical components, and therefore tunes should be made for each individual car.