1987 SPEEDO GEAR USAGE CHART F CAR CONTINUED D D A R G R G D I E I E A V A V A P TIRE SIZE AXLE TRANS E R E R T N R M45 5 v 6 P245 5OVR16 3 46 M39 NOTE O4 TRANS CODE YF ENGINE 305H W NM5 EXPORT 05 TRANS CODE YW ENGINE 5 0F EXC VB4 VT7 EXPORT 06 TRANS CODE VS ENGINE 5 0F W VB4 VT7 EXPORT 1992 GENERAL MOTORS SERVICE PARTS OPERAT ONS CHEVROLET 17F 4 337 4 76 1 92