SPEEDOMETER GEAR CHARTS P249 1978 SPEEDO GEAR USAGE CHART A G CAR e if TIRE snzc 4z z 5 3 27 Q cv 0 v P185 75R14 A Y J F19SnSR14 F20Sn0R14 M20 A Y Q P20Si7SR14 A N J P185 75R14 3 x K P195T 5R14 F20Sn0R1A M29 M F20SnSR14 Y K F 18SnSR14 P205 YORT4 c IQQ P195 75R14 M29 c E Q F205nSR14 c A Q P185 75R14 IQ c K P19Sn5R14 P205 7OR14 M29 Q K F20Si7SR14 2 K P185 75R14 E E K P19SnSR14 P205 70R14 M29 E A K P205 75R14 E c K F18sn5R14 F20Sn0R14 F IQQ P195 75R14 M3s F E Q P205i75R14 F A Q P185 75R14 G Z K P195 75R14 G I K F20Sn0R14 V 33 G 3 K P205nSF 1A G 5 J P185h5R14 H c K P195 75R14 P205 70R14 M33 H I3 K F205 75R14 H 2 K P185 75R14 A III K P195U5R14 P205 70R14 M15 A X 1 Eg05 75R14 A 0 K NOTE With Trans Stamped CO CR With Trans Stamped BZ With Trans Stamped PH OW With Trans Stamped PG With Trans Stamped KE With Trans Stamped JD With Trans Stamped JC MP 1987 GENERAL MOTORS SERVICE PARTS 0PERAT10NS F 0NT1Ac 21 4 OOO GROUP 4 4 C REV 7 87