I I CORVETTE ENGINE SERIES NUMBER AND SU FFIX CHART Cont I V7 I I I I9G I IN I I I 283 S CYLINDER I I I I Tv I Tvnr I Description Designation Description I I Designation I I I I Manaul Tens I CO I Dual4BQ and Hi Lift Cam I I CU I I I Fuel Injection I I CR Powerglide L I I I II DG I Fuel Injection and Hi Lift Cam I I I CS Povserglide and Dual 4BC I D I Dual ABC I I I I CT I Note CORVETTE engines have thelast six digits of the vehicle serial number stamped on engine date boss I Engines are stamped with a source production date and type on serial pad I I I I I I I I assz I I I I I 327 8 CYLINDER I I I I IA I Dual 4 REQ OTWI Manual Trans and Fuel lniection RF Manual Trans I RC II Powerglide I I I I I I SC I I I I II Manual Trans and Hiya Performance I JI I IRD Powerglide anrQ figl Pehormance I I SD I I Manual Trans and Spec High Performance RE I I I I I was I I I i I I I I 327 B CY LINDERI I I Manual Trans I I RC IManua Trans and Fuel Injection I I RF I I Manual Trans and High Performance I RD Powerglide I I SC Special High Pefformance s RE Powerglide and Hiya Performance I SD I I I I I I964 I I I I I I I 3Z7 8 CYLINDER I I II I Manual Trans I RC Manual Trans and Transistor Ignition I RT Manual Trans and Hiya Piirformance I RD I Manuel Trans Transistor Ignition and C A C RU I I Special High Performance RE I Fuel lniection andITransistor Ignition I RX ManualITrans and Fuellnjection I RF Powerglide I SC I Manual Trans and C A C L I RP Powerglide and Hiya Performance SD I Manual Trans High Performance and CA C I RO Powerglide and C AIC I L SK I Manual Trans Specia High Performance and C A C RR Powerglide Hiya Performance and C A C SL I I I Note Engines are stamped with a source production date and type on serial pad I I I I I I965 I I I I BZ7 8 CYLINDER I I Manual Transmission HE I Powerglide I I HO I High Performance I I HF II Powerglida and Hiya Performance I I HP I I II Fuel Injection I HG Powerglide and C A C HO I I Spec Hiya Performance I HH Powerglide Hiya Performance and C LC HR I C A C HI Spec High Performance and Hyd Lilvers HT I I High Performance and C A C I HJ Spec High Performance Hyd Lifters and C A C HU Spec Hiya Performance and CA C HK Spec Hiya Performance Hyd Lifter and I Transistor Ignition I I HL Transistor Ignition I HV I I I I Transistor Ignition and C A C HM Spec High Performance Hyd Lifters Transistor I Fuel Injection and Transistor Ignition HN Ignition and C A C I I I HWI II I WAREHDUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION CHEVROLET 14A REV 12 83 I 11 I I I I I I I I A I 2 I