3.90 gear with 225/60/vr15 which is 815 revolutions per mile
83-89 automatic requires a 7 tooth drive gear and a 23 tooth speedometer gear
90-98 automatic requires a 7 tooth drive gear and a 23 tooth speedometer gear
83-89 5 speed t-5 requires a 7 tooth drive gear and a 23 tooth speedometer...