a shift kit will give u firmer and criper shifts. it changes the points your car shifts at for better performance. a shift kit is a must for a auto tranny especially if u have mods. (just my opion)it should also help a little in the 1/4 mile too!
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89 GT AOD w/ shift kit, B&M rachet shifter, Trickflow intake, Crane (E-type) cam, 70Tb, 75MAF, 1.6 Rockers, Pulleys, MAC headers and H-pipe, Dynomax mufflers, K&N, 3 core radiator, white face gauges, custom interior, cobra R rims
MY89GT