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 | |||||||||||||