Should i attempt to use more PSI out of first Gear?
i think im running 86psi to first gear...and i do have a shot pinned after market output shaft in my 4L65E so the trannys pretty built but im running a Billet Servo and i used to br running 91psi and i would be able to chearp the tires and now i cant...id like to attemot to get up there with out blowing another output shaft
thanks guys