SPEEDOMETER GEAR CHARTS 1973 CORVETTE TURBO HYDRAMATIC V76 3 08 3 36 3 56 3 70 TIRE SIZE DRIVE GEAR DRIVE GEAR DRIVE GEAR DRIVE GEAR 8623310 8623310 8623310 8623310 GR 70 15 Driven A Driven B Driven C Driven D Adapt A Adapt Adapt Adapt 1974 CORVETTE TURBO HYDRAMATIC NUMBER NUMBER DRIVEN OF SLEEVE DRIVEN OF SLEEVE GEAR TEETH COLOR ASSY CODE GEAR TEETH COLOR ASSY 9780628 35 Pink 1362294 C 1362048 40 Black 1362293 1359272 38 Blue 1362294 D 1362049 42 Green 1362293 3 08 RATIO 3 36 RATIO 3 56 RATIO 3 70 RATIO TIRE DRIVE GEAR DRIVE GEAR DRIVE GEAR DRIVE GEAR SIZE 8623310 8623310 8623310 8623310 1975 CORVETTE TURBO HYDRAMATIC NUMBER NUMBER DRIVEN OF SLEEVE DRIVEN OF SLEEVE GEAR TEETH COLOR ASM CODE GEAR TEETH COLOR ASM A 9780628 35 i Plnk 1362294 C 1362048 40 Black 1362293 B 1359272 38 Blue 1362294 D 1362049 42 Green 1362293 3 08 RATIO 3 36 RATIO 3 56 RATIO 3 70 RATIO TIRE DRIVE GEAR DRIVE GEAR DRIVE GEAR DRIVE GEAR L SIZE 8623310 8623310 8623310 8623310 1976 77 CORVETTE TURBO HYDRAMATIC NUMBER NUMBER DRIVEN OF SLEEVE DRIVEN OF SLEEVE GEAR TEETH COLOR ASM CODE GEAR TEETH COLOR ASM A 9780628 35 Pink 1362294 C 1362048 40 Black 1362293 B 1359272 38 Blue 1362294 D 1362049 42 Green 1362293 3987919 19 Natural 3987921 21 Red 3987922 22 Silver I 3 08 RATIO 3 36 RATIO 3 55 RATIO 3 70 RATIO TIRE DRIVE GEAR DRIVE GEAR DRIVE GEAR DRIVE GEAR SIZE 8623310 8623310 8623310 8623310 WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORAT ON CHEVROLET 14 4 000 GROUP 4 10 c REV 5 81