250 350 375 400 TURBO HYDRAMATIC 1972 SPEEDOMETER GEAR CHART T H 350 DRIVE GEARS PART NUMBER COLOR NUMBER OF TEETH i 6260037 Green 18 czcwas Purple 10 I DRIVEN GEARS 1359271 Red 37 1362049 Green 42 3987918 Brown 18 3987919 Natural 19 3987920 Blue 20 3987921 Red 21 3987922 Solid Silver 22 9774413 Light Green 34 9775187 Light Blue 45 NOTE T0 order speedometer gears parts transmission type rear ax e ret 0 t re size must be known 4 1972 T H 350 EXC CAMARO MONTE CARLO T H 350 1st Design Monte Carlo With 7 B Speedo Driven Geer Hole REAR GEAR GEAR SLEEVE AXLE SPEEDO SPEEDO ADAPTER DRIVEN RATIO REAR TIRE SIZE DRIVEN DRIVE ASSY GEAR 2 733 E78 14 F6015 E70 14 3987922 6261785 3869912 2 733 F78 14 G78 14 F78 15 3987921 6261785 3869912 2 733 G70 15 G78 15 1 178 15 8 55 15 3987920 6261785 3869912 2 733 L78 15 3987919 6261785 3869912 3 083 E78 14 F78 14 F50 15 E70 14 3987920 6261785 3950352 3869912 3 083 G78 14 G78 15 F78 15 8 55 15 3987919 6261785 3950352 3889912 3 083 H78 15 L78 15 3987922 6161785 3869912 3 417 E78 14 F78 14 G78 14 F60 15 E70 14 3987922 8261785 3950352 3869912 3 417 670 15 G78 15 H78 15 F78 15 8 55 15 3987921 8261785 3950352 3869912 3 417 L78 15 3987920 6261785 3950352 3869912 1972 T H 350 2nd Design Monte Carlo w 2 Buick Type Speedo Drlven Gear Hole REAR GEAR GEAR SLEEVE AXLE SPEEDO SPEEDO ADAPTER DRIVEN RATIO TIRE SIZE DRIVEN DRIVE ASSY GEAR 2 733 G70 15 G78 15 1359271 6260037 1362284 3 083 670 15 G70 15 1362049 8260037 1382285 3 308 G70 15 G78 15 9775187 5260037 1362285 3 364 G70 15 G78 15 9775187 6260037 1382285 4 3 417 G70 15 G78 15 9774413 6260037 3932220 1362284 1 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 11 1 4 3374 337 use REV 4 77