1967 Tempest And GTO Speedometer Gear Usage

1967 Pontiac Tempest & GTO Speedometer Gear Usage Chart (2 speed)
  Driven Gear or Gear & Sleeve Tire Size Speedometer Adapter    
Axle Ratio Part # Teeth Color 7.75 X 14 F70 X 14 Model Ratio Part # Color Sleeve & Seal Assy. Trans Code
3.36 1362048 40 BLACK X   777-S .8653 535617 BLUE 1362285 LA
3.36 1362195 41 YELLOW   X 777-S .8653 535617 BLUE 1362285 LA
3.55 1359272 38 BLUE X X 777-S .7692 535615 YELLOW 1362284 LA
3.55 1362196 43 PURPLE X           1362285 LB
3.55 9780470 44 DK GREY   X         1362285 LB
2.78 1359272 38 BLUE X           1362284 LA
2.78 1359273 39 BROWN   X         1362284 LA
3.08 1362049 42 GREEN             1362285 LA-LD
3.08 1362196 43 PURPLE X X         1362285 LA-LD
2.93 1362048 40 BLACK X           1362285 LA
2.93 1362195 41 YELLOW   X         1362285 LA
2.56 9780628 35 PINK X           1362284 LA-LB
2.56 1359270 36 WHITE   X         1362284 LA-LB
3.23 9780470 44 DK GREY X           1362285 LD
3.23 9775187 45 LT BLUE   X         1362285 LD
3.23 1359273 39 DK BROWN X           1362284 LB
3.23 1362048 40 BLACK   X         1362285 LB
3.36 1362195 41 YELLOW X X** 777-S .8653 535617 BLUE 1362285 MA-MB
3.36 1362048 40 BLACK X   777-S .8653 535617 BLUE 1362285 MA
3.36 1362049 42 GREEN   X         1362285 MB
3.55 1362196 43 PURPLE X           1362285 MB
3.55 9780470 44 DK GREY   X         1362285 MB
2.78 1359272 38 BLUE X           1362284 MC
2.78 1359273 39 BROWN   X         1362284 MC
2.93 1362048 40 BLACK X           1362285 MA
2.93 1362195 41 YELLOW   X         1362285 MA
2.56 9780628 35 PINK X           1362284 MA
2.56 1359270 36 WHITE   X         1362284 MA
3.23 9780470 44 DK GREY X           1362285 MC
3.23 9775187 45 LT BLUE   X         1362285 MC
3.23 1359273 39 DK BROWN X           1362284 MB
3.23 1362048 40 BLACK   X         1362285 MB
NOTE: X** = ADAPTER REQUIRED WITH THIS TIRE SIZE
Information Supplied By George Pearson, Taken From A Pontiac Parts Book