m/t sportsman tire heigth

flyfish said
With that tire you will have no problem running slower than 11.5 (Not very good grip at the track).

For what it's worth, on my old 360 combo I went from running 12.1 @ 116mph on the Micky Thompson sportsman pros, to 11.5 @ 116mph running a Hoosier quick time pro...no other changes, just tires.
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We have the world's quickest Sportsman Pro tyre'd street cars over here (pump gas, full exhausts too) down into 7.6s in the quarter with 60 foot times in the 1.2s. The big MTs (31s and 33s) can provide plenty of grip with the right chassis set-up to suit them.