SPEEDOMETER GEAR CHARTS B224 1979 SPEEDO GEAR USAGE CHART X CAR X DRIVE DRIVEIV AS GEAR GEAR ADAPTER 8 A 6261796 9 Red N 3987918 18 Brown 345215 H 3925673 1 1111 V B 1246221 17 Red P 3987919 19 Natural 345215 I 3950348 1 2020 X c 1246222 18 Blue 0 3987920 20 Blue 345215 1 3925669 0 9444 w D I 8640188 19 Yellow R 3987921 21 Red 345215 I 3950352 0 8242 c E 6261785 10 Purple s 3987922 22 Gray 345215 I 3932220 0 7383 A T 1359273 39 Brown 1362284 u 1359270 36 White 1362284 V 1359271 37 Red 1362284 W 9774413 34 Lt Green 1362284 X 9780387 35 Orange 1362284 Y 1362048 40 Bleek 1362285 Z 1362049 42 Green 1362285 A 1362195 41 Yellow 1362285 B 1362196 43 Purple 1362285 C 9780470 44 Dk Gray 1362285 D 9775187 45 LI Blue 1362285 I E 1359272 38 Blue 1362284 1979 SPEEDO GEAR USAGE CHART X CAR e 5 TIRE SIZE a 4 4z gt 6 476 47 9 0 ca v I R78X14 E78X14 A ER78X14 IVI15 A ll FR78x14 E78X14 IEI T ER78x14 M33 EI W FR78x14 E78x14 C W E ER78X14 2 41 IVI33 c x H ER78X14 E78X14 I U Z ER78X14 M33 EI V E All EE I1 I2 ER78X14 E78x14 A III ER 78x14 A IIE I R78X14 ER78X14 X E78x14 T IE W Z I All IVI33 c V All II 133 II T H FR78 X 14 E78 X 14 ER78x 14 I EI All E A iI ER78X14 E78x14 T M33 III T I ER78X14 II Y E All IVI33 c 2 ER78X14 E78x14 2 93 IVI33 li c ER78x 14 II EI FR78x14 ER78x14 1 E78x14 I I I WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION BU CK 41 T 4 000 GROUP 4 22 c REV 5 81