ENGINE SERIES NUMBER AND SUFFIX CHART Cont 327 8 CYLINDER Type Type Description Designation Description Designation Manual Trans EA H D Clutch Special High Performance ES Powerglide EC 4 Bbl Carb EH powergiqde g E 4 Bbl Carb Powerglide EI H D c UtCh EO 4 Bbi 3fi H D CiUiCh Special High Performance EP 396 8 CYLINDER Manual Trans ED High Performance and Powerglide EL High Performance EF 3 Speed Automatic Trans ET Special High Performance EG High Performance and 3 Speed Powerglide EK Automatic Trans EU CHEVY II IS3 4 CYLINDER Manual Trans OA Powerglide OH H D Clutch OC 230 6 CYLINDER Manual Trans BA C A C I BD H D Clutch and C AIC BB Powerglide I BE H D Clutch BC Powerglide and CIA C BH 250 6 CYLINDER Manual Trans CM Powerglide CO CIA C CN Powerglide and C A IC I CR 307 8 CYLINDIER ManualTrans DA Powerglide DE ll Speed Trans DB 327 8 CYLINDER Manual Trans EA Special High Performance EP Manual Trans MK Powerglide I EE Special High Performance ML Powerglide s I MM 350 8 CYLINDER Manual Trans Itr I I rtrL L IL MS Powergllde MU 396 8 CYLINDIER Manual Trans MX 3 Speed Automatic T H 400 MR Manual Trans I MO CAMARO 230 6 CYLINDER Manual Trans I BA C A CII BD H D Clutch and C A C BB Powerglide BF H D Clutch I I BC Powerglide and C A C BI I 250 6 CYLINDER Manual Trans CM Powerglide I CQ C A C CN Powerglide and C A C I CR 302 8 CYLINDER Manual Trans M0 327 8 CYLINDER 2 BARREL Manual Trans MA Powerglide I I ME 350 8 CYLINDER Manual Trans I MS Powerglide MU 396 8 CYLINDER Special High Performance MO Manual and AT Trans MW High Performance and 3 Speed Automatic Trans MR High Performance I MX Special High Performance and Aluminum Heads MT 3 Speed Automatic Trans MY 197O CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATlON P A 30A 35