I go for 3.73, but maybe thats just cuz what I have.
Anyways, I'm stick of seeing people post crap they dont know anything about. They wil definatly not lower your topspeed. You will most likely gain topspeed. You dont even have enough power to take advantage of all the gear you have now. I have 3.73's and I could pull 170mph theoretically at 6000rpm. So idiots need to stop talking about what they dont know. These cars do have overdrive.
Skyler
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-1989 Saleen Mustang #406-
TFS Heads, Edelbrock intake, E-303, 3.73's, 1 5/8 shortys, Offroad-H, 2chamber flows, 36psi FPR, 15degrees timing, 70mm tb, 73mm maf, 24lb inj, Crank pulley, MSD6A, Alum driveshaft.
On its way: Paxton Sn-89 with dyno tuning and long tubes.
Just added: B&M Ripper, Weldin Subframes, & Turn downs!
13.2@106mph
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