ENGINE SERIES NUMBER AND SUFFIX CHART Conf 317 B CYLINDER A J Tm Tw Duaiylkn l I n II Ihwlpllon Dasignullon Manual Trans I EA Transistor lgnnlon 4 ED High Performance 44 4 4 EB Pcwlerqllde EE Spec High Performance 4 EC Pvwergllde and High Perlarmance EF CHEVY II I 53 I CYLINDER Manual Trans e OA Powerglldn e e OH H D Clulch OC Powerglide Taxi OI lTax I OG A I9I 6 CYLINDER Manual Trans DK Powergllda OR H D Clufch OM Powerglide Tull OT nam 00 230 6 CYLINDER I Manual Trans PV Prrwerglldo PX 2B3 I CYLINDER Manual Trans PD 4 Speed Trans and CAC PM IBC PE Powergllde PN CAC PF Porlergllde and IBC Pl IBC and C A C PG Powergllde and C A C PP I Snead Trans PL Pwrargllde IBC and C A C PB 327 B CYLINDER Manual Trans ZA Powergllde ZK Manual Trans and Hlgh Performance I ZB Pwerglide and High Performance ZL Manual Trans and Alr Cond ZE Powergllde and C A C ZM Manual Trans lflgh Porformanca and Alr Cond ZF Pwergllde Hlgh Performance and C A C ZN I 966 CHEVROLET 250 6 CYLINDER Manual Trans FA Pcrwergllde and C A C FIT H l7 Clulch FE A l R and C A C FV H D Clulch and CAC FF Taxi with A l R FZ A I R FV A l R and Pnwerglicle GP fTaxl FK A l R CAC and Plrwerglide GO C A C FL fTaxil wllh A l R and Pouergllrfe GR Taxi whh Prmerglide FP 2B3 0 CYLINDER Manual Trans GA A l R and Pouergllde GT I Speed Trans GC IBC GW A I R GK IBC and A f R GX A I R and I Speed Trans GS IEC and Puuergllde GL Pwergllde GF IBC Powergllde and A l R GZ GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET II R EV I 0 76 31 2