4 SPEED TRANSMISSION 1970 TFIUCK SPEEDOMETER GEAR CHART 4 337 4 343 4 330 REAR GEAR GEAR 4 329 KEY AXLE REAR TIRE SIZE SPEEDO SPEEDO ADAPTER SPEEDO RATIO DRIVEN DRIVE SPEEDO ADAPTER TRANSFER CASE NEW PROCESS 3 07 G78 x 15 3866798 3964594 1563872 867209 3 07 E78 x 15 3866917 3964594 1563967 867209 3 07 7 00 x 15 0 R 3866798 3964594 1563967 867209 3 07 G78 x 15 O R H78 x 15 H78 x 15 O R 3866799 3964594 1563967 867209 3 07 6 50 x 16P 3866917 3964594 1583876 867209 3 07 6 50 x 16T 6 50 x 16T O R 6 50 x 16P O R 7 00 x 15 10 00 x 16 5 10 x 16 5 O R 3866798 3964594 1583876 867209 3 07 E78 x 15 O R 3866918 3964594 1583876 867209 3 07 7 50 x 16 O R 3866798 3964594 1583876 867209 3 73 G78 x 15 G78 x 15 O R 6 50 x 16P H78 x 15 H78 x 15 O R 3866799 3964594 3 73 E78 x 15 E78 x 15 O R 3866917 3964594 3 73 8 75 x 16 5 7 00 x 15 0 R 6 50 x 16T 6 50 x 16T O R 6 50 x 16P O R 7 00 x 15 8 75 x 16 5 O R 10 00 x 16 5 10 x 16 5 O R 7 50 x 16 O FI 3866798 3964594 4 10 8 75 x 16 5 6 50 x 16T 7 00 x 15 8 75 x 16 5 O R 10 0 x 16 5 10 x 16 5 O R 3866917 3964594 4 10 7 50 x 16 7 50 x 16 O FI 3866798 3964594 4 10 7 00 x 16 9 50 x 16 5 7 00 x 16 O R 9 5 x 16 5 O R 3866799 3864594 4 56 8 75 x 16 5 8 75 x 16 5 O R 10 0 x 16 5 10 x 16 5 O R 3866919 3864594 4 56 7 50 x 16 7 50 x 16 O R 3866917 3864594 4 56 7 00 x 16 9 50 x 16 5 7 00 x 145 0 R 9 5 x 16 5 0 R 3866918 3864594 4 57 8 75 x 16 5 8 75 x 16 5 O R 10 0 x 16 5 10 x 16 5 O R 3866919 3864594 4 57 7 50 x 16 7 50 x 16 0 FI 3866917 3864594 4 57 7 00 x 16 9 50 x 16 5 7 00 x 16 O R 9 5 x 16 5 O R 3866918 3864594 1969 4 SPD CHEVROLET TRANSMISSION NOTE When ordering Drive Gear order 3866663 for all 4 Spd s IGp 4 337 cw Gp 4 329 Rear Speedomemer Adapter Axle RAti Tire Size Type Driven Speedcmeter 6 17 7 00 20 3866793 1584276 6 17 7 50 20 3866794 6 17 8 25 20 3866793 6 17 8 00 19 5 exc 0 R I 3866797 1584274 6 17 8 00 19 5 0 R 3866795 6 17 7 00 18 3866796 6 17 9 00 20 exc O R 3866796 1565452 6 17 9 00 20 0 R 3866795 1584278 6 40 7 00 20 3866795 6 40 7 50 20 3866793 1584276 6 40 8 25 20 3866794 6 40 9 00 20 3866793 6 50 7 50 20 3866795 6 50 8 25 20 3866794 6 50 9 00 20 3866793 6 50 10 00 20 3866795 1584278 7 17 7 50 20 3866797 7 17 8 25 20 3866796 7 17 9 00 20 3866795 7 17 10 00 20 3866793 1584276 7 20 7 50 20 8 25 20 0 R 3866797 7 20 8 25 20 exc O R 3866796 7 20 9 00 20 3866795 7 20 10 00 20 3866796 1584274 1971 CHEVROLET MOTOR DIVISION GENEFIAI MOTORS CORPORAT ON P A 3 REV 6 71 4 95 4 337 4 337