1 4 SPEED TRANSMISSION I V 1971 TRUCK SPEEDOMETER GEAR CHART CONT V 4 11 4 22 mso Gar 1 Gar 4 328 K y R r Sp dom m r Sp dom m r Manu Sp d m t r AxI Rath 6 R r TIr SIz DrIv n Dr v Sp dom t r Adpatar 4 1 MUNCIE 4 SPEED W BRAKE CONT 1 6 17 8 75 x 16 5 8 75 x 16 50 8 7 00 x 15 A 4 I 7 00 x 150 8 10 0 x 18 5 3888797 3888883 1584277 887209 I V 6 17 6 50 x 16P O R 7 50 x 18T I A 8 50 x 18 1 0 8 10 x 18 50 8 3888795 3888883 1585857 887209 I 8 17 7 00 x 18 3888798 3888883 1584277 887209 A 8 17 7 00 x 180 R 9 50 x 18 5 A I V 9 5 x 18 50 8 3888797 3888883 8 17 7 50 x 18 7 50 x 180 8 3888798 3888883 e 1 8 17 8 00 x 19 5 3888798 3888883 1584274 887209 8 17 8 x 19 50 8 7 00 x 18 88795 3888883 A 4 ss1 was Oar G r 4 329 R ir I I Sp d m t r Spadcmmr Ad pt r I AxI Ratio R r Tin Slzi DrIv n DrIv Sp d m t r 1 1971 NEW PROCESS 4 SPEED A 3 07 G78 x 15 G78 x 150 8 8 x 16 50 8 H78 x 15 H78 x 150 8 3749242 2495298 50348 3 07 8 00 x 18 5 8 50 x 18P 3705582 2495298 50350 3 07 E78 x 15 F78 x 14 7 00 x 140 8 2 3705582 2495298 50348 rh 3 07 C78 x 14 375 13 V 2480048 50348 3 07 8 75 x 18 5 7 00 x 150 8 3758911 248 48 50350 3 07 E78 x 150 8 7 iX x 14 V 3749303 2495298 25873 1 3 07 C78 x 140 8 3749303 2495298 25871 3 07 F78 x 140 8 I 375 13 2480048 50350 3 07 8 75 x 18 50 8 3749303 2495298 50348 3 07 6 50 x 181 0 8 8 50 x 18T 8 505 18T O R 4 7 00 x 15 9 5 x 18 50 8 10 0 x 18 5 10x 16 50 8 3749242 2495298 50350 3 07 7 00 x 180 8 7 50 x 180 8 3749303 2495298 50350 3 38 G78 x 15 375 11 248 48 25873 3 38 8 00 x 18 5 8 50 x 18P 3705582 2495298 50348 V 3 38 E78 x 15 F78 x 14 E78 x 150 8 F78 x 140 8 7 00 x 14 7 00 x 140 8 3749303 2495298 3 38 C78 x 14 C78 x 140 8 3749242 2495298 3 38 8 75 x 18 5 8 75 x 18 50 8 7 00 x 150 8 V 3749303 2495298 25873 3 38 G78 x 150 8 8 x 18 50 8 H78 x 150 8 3749303 2495298 25871 a 3 38 8 50 x 18P 0 R 9 5 x 18 50 8 3749242 2495298 5 48 3 38 8 50 x 18T 8 50 x 18T O R 10 0 x 18 5 V 10 x 18 50 8 V 4 375 11 2480048 50348 V 3 38 H78 x 15 2 3749242 2495298 25873 3 38 7 00 x 15 3758913 248 D48 50350 3 38 7 00 x 18 7 00 x 180 8 9 50 x 18 5 3705582 2495298 50350 3 38 7 50 x 18 375 11 2480048 50350 3 38 7 50 x 180 8 3749303 2495298 50348 3 38 8 00 x 19 5 8 x 19 50 8 7 00 x 18 3749303 2495298 50350 V 3 54 G78 x 15 G78 x 150 8 8 x 16 50 8 H78 x 15 V H78 x 150 R 3749303 2495298 A V 3 54 8 00 x 18 5 8 50 x 18P 375 15 248 48 50350 3 54 E78 x 15 E78 x 150 8 7 00 x 14 7 x 140 8 1 F78 x 140 8 3749242 2495298 3 54 C78 x 14 C78 x 140 8 Q 3705582 I 2495298 I 3 54 F78 x 14 375 11 2480048 3 54 8 75 x 18 5 8 50 x 18T 7 00 x 15 7 00 x 150 8 V 10 0 x 16 5 3749242 2495296 3925873 w 3 54 8 75 x 18 50 8 3749303 2495296 25871 3 54 8 50 x 16P O 8 8 50 x 16T O 8 9 5 x 18i50 RL 10 x 16 50 8 4 3705582 A 2495298 50348 f A 3 54 7 00 g18 9 50 x 18 5 3749303 2495298 25873 3 54 7 00 x 180 8 V 375 11 248 D48 50348 1 GM PARTS DIVISION GENERAL MOTORS CORPORATION 4 CHEVROLET 72TL REV 5 79 us 4 337 4 337