SPEEDOMETER GEAR CHARTS I 1986 SPEEDO GEAR USAGE CHART K1 2 3 I THM 700 CONTINUED l D D A A R G R G D I E I E A V A V A P TIRE SIZE AXLE TRANS E R 5 R LT235 85R16 LT235 85R16OR Il S P235 75R15 P235 I5R150R P235 75R15XL A 7 50 16LT 7 50R 16LT 7 5OR 16LTOOR A3 73 A 1988 GENERAL MOTORS SERVICE PARTS OPERATIONS j LIGHT TRUCK 52R REV 1 88 SPEEDOMETER GEAR 35 4 337