ENGINE SERIES NUMBER AND SUFFIX CHART Conf Tru Ive W Doscriptron Ihsignution Description D sign tion 327 8 CYLINDER Manual Trans HA 4 Speed Trans KE A I R HB 3 Speed Automatic Trans KL Powergllde HC 3 Speed Automatic Trans and A I R KM A I R and Powergllde HF 396 8 CYLINDER Manual Trans IA 3 Speed Automatic Trans IV A I R IB A I R and Powergllde IC Powergllde IG A I R and 3 Speed Automatic Trans IN 427 8 CYLINDER Manual Trans lE IH A l R ll IX Special High Performance ID Special High Performance and A I R IK 3 Speed Automatic Trans lJ lS A I R and 3 Speed Automatic Trans IF l0 CHEVELLE 230 6 CYLINDER Manual Trans CA A I R and Air Cond BO H D Clutch BC Powergllde CC H D Clutch and Air Cond BB Powergllde and Air Cc d CD Air Cond CB Powergllde and A I R BL A l R BN Powergllde A I R and Air Cond BM 250 6 CYLINDER Manual Trans CM Powergllde CO Air Cond CN Powergllde and Air Cond CR A I R C0 Powergllde and A I R CS A I R and Air Cond CP Powergllde A I R and Air Cond CT 283 8 CYLINDER Manual Trans DA 4 Speed Trans and A I R DK 4 Speed Trans DB H D Clutch DN A I R DI Powergllde DE Powergllde and A I R DJ 327 8 CYLINDER ABC EA Special High Performance and H D Clutch ES Special High Performance EP H D Clutch EQ A I R EB Powergllde EE Special High Performance and A I R ER Powergllde and A I R EC 396 8 CYLINDER Manual and Powergllde Trans ED Powergllde and A I R EM High Performance EF High Performance Powergllde and A I R EN Special High Performance EG 3 Speed Automatic Trans ET A I R EH High Performance and 3 Speed Automatic Trans EU High Performance and A I R EJ 3 Speed Automatic Trans and A l R EV Pouerglide EK High Performance 3 Speed Automatic Trans and A l R EW High Performance and Powerglide EL Special High Performance and A I R EX 1970 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 30At 32