
Originally Posted by
nascartech
top speed on a gp is 135 140 mph at about 6200rpm with the 3,29 gears car is limited buy the 4 speed need a 6 speed for better top speed but i dont recoment going 140 i did it once and the car did not feel stable on the stock springs they are way to soft the car likes the 80-90 rang usually wht i do at 4am when there is no one on the highway