4 SPEED TRANSMISSION A 1970 TRUCK SPEEDOMETER GEAR CHART CONT 1 AI 4 337 4 343 1 A REAR A GEAR GEAR 4 329 AXLE REAR TIRE SIZE SPEEDO SPEEDO ADAPTER A RATIO DRIVEN DRIVE SPEEDO A 1 A 1 1 A NEW PROCESS 4 SPEED I A 1 1 A 3 07 G78 x 15 G78 x 15 0 R H78 x 15 A I A A 1 H78 x 15 O F 1 3749242 2495296 3950348 3 07 7 00 x 15 0 R 3756911 2480048 3950350 1 3 07 6 50 x 16P I 3705582 A 2495296 3950350 A 1 3 07 6 50 x 16T 6 50 x 16T 0 R 6 50 x 16P O R 1 1 7 00 x 15 A 1 3749242 2495296 3950350 3 54 G78 x 15 G78 x 15 O R H78 x 15 A I 1 H78 x 15 0 R A 1 3749303 2495296 1 3 54 8 75 x 16 5 7 00 x 15 0 11 6 501x 16T A 7 00 x 15 10 0 x 16 5 1 4 3749242 2495296 3925673 3 54 6 50 x 16P 1 A 3756915 2480048 3950350 1 j 3 54 6 50 x 16T 0 R 6 50 x 16P O R 9 5 x 16 5 0 R 1 10 x 16 5 0 R 3705582 2495296 3950348 1 A 3 54 7 50 x 16 7 50 x 16 0 R 3749242 2495296 3950348 l 1 3 54 7 00 x 16 9 50x 16 5 3749303 2495296 3925673 3 54 7 00 x 16 O R A 3756911 2480048 3950348 3 54 8 75 x 16 5 0 R 3749303 2492596 3925671 A 3 54 10 x 16 5 OR A 3705582 2495296 3950348 A 3 72 G78 x 15 1 A 3756911 2480048 3 72 7 00 x 15 O R 6 50 x 16T 1 I I 1 6 50 x 16T O R 6 50 x 16P O R 1 A A 7 00 x 15 A 1 3749303 2495296 f 3 72 G78 x 15 O R H78 x 15 l A A A A 1 H78 x 15 O R 3749242 2495296 1 3 72 6 50 x 16P 3749303 2495296 3950354 1 4 10 8 75 x 16 5 8 75 x 16 5 0 R 37055821 AA 2495296 A 4 10 6 50 x 16T 10 x 16 5 O R A 3756911 2480048 4 10 7 50 x 16 7 50 x 16 O R A 1 3749303 1 2495296 A 4 10 7 00 x 16 9 50 x 16 5 7 00 x 16 0 R 4 9 5 X 16 5 OB A I 3749242 1 2495296 1 4 10 8 00 x 19 5 A 3705582 2495296 3950348 1 4 10 8 x 19 5 O R A 3749303 2495296 3925671 1 1 4 10 7 00 x 18 3749242 2495296 3925673 1 4 10 10 0 x 16 5 A 3749242 2495296 3950354 1 1 4 11 G78x 15 G78 x 15 0 R H78x 15 H78x 15 0 R A 8 x 16 5 O R 3756913 2480048 4 11 7 00 x 15 O R 7 00 x 15 1 3705582 2495296 1 A 4 11 5 50 X 16P 3756917 2480048 3950348 4 1 1 6 50 x 16T A 1 A 3749242 2495296 3950354 4 11 1 6 50 x 16T O R 6 50 x 16P O R 1 3756911 2480048 1 4 55 8 75 x 16 5 10 0 x 16 5 A A 3749303 2495296 3950352 4 55 6 50 x 16T A A 3756915 2480048 3925671 4 55 7 50 x 16 7 50 x 16 O R 1 3705582 2495296 1 4 55 7 00x 16 9 50x 16 5 7 00x 16 0 R 1 A 49 5 x 16 5 O R 10 x 16 5 O R 3756913 2480048 A 4 55 8 75 x 16 5 0 R A 1 3756915 2480048 4 57 8 75 x 16 5 1 1 3756917 2480048 I 3925673 4 57 6 50 x 16T 10 0 x 16 5 3749303 2495296 3950352 4 57 7 50 x 16 7 50 x 16 O R 3705582 2495296 4 57 7 00 x 16 9 50 x 16 5 1 7 00x 160 R 9 5x 16 50 R 1 I 10 x 16 5 0 R 3756913 2480048 1 4 57 8 00 x 19 5 8 x 19 5 O R 7 00 x 18 3749242 2495296 1 4 57 8 75 x 16 5 O R 3756915 2480048 5 14 8 75 x 16 5 6 50 x 16T A A 1 8 75 x 16 5 O FI 9 5 x 16 5 0 R 1 A A 10 0 x16 5 10 x 16 5 0 R 3756917 2480048 5 1 4 7 50 x 16 7 001x 16 0 R 7 50 xA 16 0 R 3756915 2480046 1 6 14 7 00 x 16 9 50 x 16 5 3749242 2495296 3905497 1 5 14 8 00 x 19 5 8 x 19 5 O R 3756913 2480048 5 14 7 00 x 181 A 3756913 2480048 3950354 1 A V A GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TLj REV 5 79 A 4 69 1 4 337 4 337