1960 63 REAR AXLE IDENTIFICATICN Series I Type Designation Series Type Designation uf 1960 1962 1963 Cont CORVAIR 3 Speed 3 55 ratio BT CORVAIR RIO 3 or 4 Speed 3 89 ratio HE CORVAIR 3 Speed 3 89 ratio BR CORVAIR RIO Automatic Transmission 3 89 ratio HF CORVAIR Automatic Transmission 3 55 ratio BU CHEVY 3 Speed Automotic Transmission CORVAIR Automatic Transmission 3 89 ratio BS 3 36 il l DA CHEVY 3 08 ratio DB g CHEVY 3 Speed 4 cyl 3 55 ratio DC CHEVY Positraction 4 cyl 3 55 ratio DD CORVAIR 3 Speed or 4 Speed 3 27 ratio BQ CHEVY Positraction 3 36 ratio DE CORVAIR Automatic Transmission 3 27 ratio BC CHEVY Positraction 3 08 ratio DF CORVAIR 3 Speed or 4 Speed 3 55 ratio BF CHEVY Positraction 6 cyl 3 08 ratio DH CORVAIR Automatic Transmission 3 55 ratio BJ CHEVY w Metallic Brakes 3 08 ratio DJ CORVA R R O 3 Speed or 4 Speed 3 89 ratio BL CHEVY Positraction w Metallic Brakes CORVAIR RIO Automatic Transmission 3 89 ratio BY 308 il l DK CHEVY w Metallic Brakes 3 36 ratio DL 62 I963 CHEVY Positraction w Metallic Brakes 3 36 ratio DM CHEVY 4 cyl w Metallic Brakes CORVAIR 3 or 4 Speed 3 27 ratio HA 3 55 rqtig 4 DN CORVAIR 3 or 4 Speed 3 55 ratio HB CHEVY 4 cyl Positraction CORVAIR Automatic Transmission 3 27 ratio HC w M t lic B l 3 55 il l DP COR Ali AUi m il TV ml l 3 55 ll l HD On Corvair models the rear axle number is stamped on CORVAIR Positraction 3 27 ratio HG lower left side of differential costing CORVAIR P sl ll W A i m lllF On Chevy ll models the rear axle number is stamped Tr nsmlss 327 mlm HH on front right side of differential carrier CORVAIR Positraction 3 55 ratio HJ Th f c0RvArR P sair cis W Aui m eac M 9 h 9 F d 9 Transmission 3 55 ratio HK wl eslgm 3 E E pm UCB c0RvA R R10 Pommciaon 3 89 ratio HL EXAMPLE HA 0212 CORVAIR RIO Positraction w Automatic HA 02 12 Transmission 3 89 ratio HM CORVAIR 3 27 ratio February Day of ABBREVIATIONS A C Gen Alternating Current Generator A T Automatic Transmission C A C Car Air Conditioning C C Comfort and Convenience Equipment F C Forward Control Models H Per High Performance Engine STD Standard tf convmn cusvv l 962 Chevrolet Motor Division 4 General Motors Corporation