1jimmy__d my brother had the same set as you exactly he ran it and i ran it and he got 13.20 and i got 12.90 im a little better drive then he is, he then put slicks on and went with 4.30 gears and he ran 12.40 and i ran 12 flat so what what i would do if i were you is put the bigger gears in and and try that, i have 4.10 in my stang and and M/T et streets, its great because you can have fun on the streets but if you go with the 4.30 and have street tires you will not believe the difference you will gain. As for you other car i believe it, i had a 86 gt with the 302HO engine with longtubes offroad H pipe and flows and no A/C of smog and i ran 14 flat. It really depend on how you drive, so from my track time i know your not lying, and i got the around the same time at 4 different tracks. SO with your new set up go with the new gears for now (4.10 or 4.30) and tires latter. Later
Ernie
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93 GT 351 to 393 stroker, GT40 upper and lower intake, GT40X Turbo Swirl heads, holley 80mm throttle body, 255 fuel pump, 42 lb injector, JE pistons, Comp cam, comp lifters, comp pushrods, comp springs, crane Roller rockers. Trick flow Crank Shaft, comp Timing chain. MSD 7 series ignition, msd hvc2 coil, MSD timing adjust, MSD Pro billet Dis, Hooker long tube, Off road H pipe 1 chanber race flows, 4.10 gears, Vortech cooler and T-Trim with a 25lb boost AND LOTS MORE.
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