SPEEDOMETER GEAR CHARTS 1979 SPEED0 GEAR USAGE CHART TY CAR nmvz nmvzn I GEAR COLORL GEAR ADARTER A 6261191 1 Brown 3987918 Bfnwn 45215 V I H 3610172 1 Green 3987922 Gray 3452415 C 6251184 B Orange 3987920 Blue 245215 4 0 rm snzz 4 A A I I 4 5 An I A BIZ A11 EE KIIIII An 2 55 im c Il m NOTE Eng 35I7IL48 Eng I250IL22 r ll GM PARTS DIVISION QENERAI MOTORS CORPORATION CHEVROLEI l0 4 000 GROUP Au c REVr 9 78