SPEEDOMETER GEAR CHARTS I 1985 SPEED0 GEAR USAGE CHART C1 2 3 3 SPEED CONTINUED J A D D A V I S R G R G D A I I E I E A A TIRE SIZE AXLE TRANS E R E R 5 LM A HIIII P195 15R15 A P205 75R15 P205 75R150R A s A I P225 75R15 l A J P235 75R15 P235 75F 15OR A A 11 A A LR60 1s J my 15 A I nn H A P195 75R15 P205 15R15 P205 75R150R A P225 75R15 A n J P235 75R15 P235 75R15OR 3 73 J J 1988 GENERAL MOTORS SERVICE PARTS OPERATIONS LIGHT TRUGK 52R 4 337 SPEEDOMETER GEAR V2 REV 1 88