ENGINE SERIES NUMBER AND SUFFIX CHART Cont 327 8 CYLINDER Type Type Desc ri ption Designation Description D sign tion Manual Trans HA Powerglide HC A l R HB A l R with Powerglide HF 396 8 CYLINDER Manual Trans IA 3 Speed Automatic Trans IV A l R IB A l R with Powerglide IC Powerglide r IG A l R and 3 Speed Automatic Trans IN 427 8 CYLINDER Manual Trans IH A I R ll Special High Performance ID High Performance with A l R and 3 Speed Automatic Trans IJ 3 Speed Automatic Trans IO CHEVELLE I94 6 CYLINDER Manual Trans AA Air Cond and A l R AT H D Clutch AC Powerglide AL H D Clutch and Air Cond AH Powerglide and Air Cond AR Air Cond AG Powerglide and A l R AX A I R AS Powerglide Air Cond and A l R AY 230 6 CYLINDER Manual Trans CA Powerglide CC Air Cond CB Powerglide and Air Cond CD A l R BN Powerglide and A I R BL Air Cond and A I R B0 Powerglide Air Cond and A I R BM 283 8 CYLINDER Manual Trans DA Powerglide and A I R DJ A Speed Trans DB A Speed Trans and A l R DK ABC DG ABC and A I R DL ABC and Powerglide DH ABC Powerglide and A l R DM A l R DI Powerglide DF 327 8 CYLINDER Manual Trans EA Powerglide EE A I R EB Powerglide and A l R EC 396 8 CYLINDER Manual Trans ED Powerglide EK High Performance EF High Performance and Powerglide EL Special High Performance EG Powerglide and A l R EM A I R EH High Performance Powerglide and A l R EN High Performance and A I R EJ GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 11 37