1970 Fullsize Pontiacs

iNFORMATION SUPPLIED BY George Pearson
1970 Fullsize Speedometer Gear Usage Chart (Turbo 400)
  Speedo Driven Gear Tire Size Speedometer adapter      
Rear axle ratio Part No. Teeth Color H78 X 15 J78 X 15 9.15 X 15 G78 X 15 L78 X 15 Part No. Color Sleeve & seal assy. Trans code Drive gear teeth
2.41 1359271 37 RED X     X       1362294 PB 21
2.41 1359270 36 WHITE   X           1362294 PB 21
2.56 1362048 40 BLACK X X       9775739 BLK/WHT 1362294 PA 18
2.56 1359273 39 BROWN X X           1362294 PB 21
2.56 1362048 40 BLACK       X       1362293 PB 21
2.73 1362049 42 GREEN X     X       1362293 PB 21
2.73 1362195 41 YELLOW   X X   X     1362293 PB 21
2.93 1359272 38 BLUE X X           1362294 PA/PH 18
2.93 1359271 37 RED     X   X     1362294 PA/PH 18
2.93 9775187 45 LT BLUE X     X       1362293 PB 21
2.93 9780470 44 DK GREY   X X   X     1362293 PB 21
3.23 1362049 42 GREEN X X           1362293 PA/PC/PH 18
3.23 1362195 41 YELLOW     X   X     1362293 PA/PC/PH 18
3.23 1362196 43 PURPLE X     X   535617 BLUE 1362293 PB 21
3.23 1362049 42 GREEN   X       535617 BLUE 1362293 PB 21
3.23 1359271 37 RED     X   X 535615 YELLOW 1362294 PB 21
3.42 9775187 45 LT BLUE X             1362293 PA 18
3.42 9780470 44 DK GREY   X           1362293 PA 18
3.42 1362196 43 PURPLE     X   X     1362293 PA 18
3.42 9775187 46 LT BLUE X X       535617 BLUE 1362293 PB 21
3.42 9780470 44 DK GREY     X   X 535617 BLUE 1362293 PB 21
3.42 1362195 41 YELLOW       X   535615 YELLOW 1362293 PB 21
Information supplied by George Pearson, taken from a Pontiac Parts Book