ENGINE SERIES NUMBER AND SUFFIX CHART 1 9 5 6 Mom 1 DESCRIPTION TYPE DESIGNATION 15 21 2400 R Regular 235 6 Cylinder 4 r4 Z 15 21 2400 R Regular 235 G Cylinder with H D Clutch 4 R ZC 15 21 2400 R R 235 6 Cylinder Powerglide R Y 15 21 2400 R 265 8 Cylinder with 3 Speed Transmission RR44R R R R G 15 21 2400 R 265 8 Cylinder with Overdrive RR 4 4 4R R 4 4 4 R R R GC 15 21 2400 4R R RR 265 8 Cylinder with Air Conditioning and Overdrive RRR R R R R GQ 15 21 2400 R R 265 8 Cylinder with Power Pack and Overdrive R R R R R R RR R GE 15 21 2400 R 265 8 Cylinder with 3 Speed and Air Conditioning R R R R R R R GF 15 21 2400 R t 265 8 Cylinder with H D Clutch RR R R R R R R R R RR R G1 15 21 2400 t R 265 8 Cylinder with I l D Clutch and Air Conditioning R R R GK 15 21 2400 l 265 8 Cylinder with Power Pack R R R R RRR R R Rl R l GL 15 21 2400 R R 265 8 Cylinder with Power Pack and Air Conditioning i R R R 4 R GM 15 21 2400 265 8 Cylinder with Power Pack Overdrive and Air Conditioning R GN CORVETTE R R 265 8 Cylinder with 3 Speed Transmission RR RR R R 4 i i iR R R R GR 15 21 2400 R RR R 265 8 Cylinder with Powerglide RR R R F 15 21 2400 R R 265 8 Cylinder with Powerglide and Power Pack R R R R R R FB 15 21 2400 R R 265 8 Cylinder with Powerglide and Air Conditioning R FC 15 21 2400 R R 265 8 Cylinder with Powerglide Air Conditioning and Power Pack FD CORVETTE R 265 8 Cylinder with Powerglide 44 R R R i R FG 31 32 36 3800 R Thrittmaster 235 R R R 4 R R R X 31 32 36 3800 Thrittmaster 235 with Hydramatic Transmission R R R R 4 i 11 G 31 32 36 3800 Thrittmaster 235 H D Clutch R RR R R R V 34 35 3700 R Thrittmaster 235 R R R VV 34 35 3700 R R Thrittmaster 235 with Hydramatic Transmission R R R R 1 VA 31 32 36 3800 R R Trademaster 265 R RR R R R R RRt RR R 11 31 32 36 3800 4R Trademaster 265 with Hydramatic Transmission R R R RR R 11 31 32 36 3800 4 R R Trademaster 265 with H D Clutch R 44 R 4 R 4RRR 14 34 35 3700 R Trademaster 265 R RR R R R D 34 35 3700 Trademaster 265 with Hydramatic Transmission DA 34 35 3700 R R Trademaster 265 with H D Clutcrh RR R DB A stamped following suttix when this engine is used in 3600 Series and B when used in 3800 Series A stamped following suttix when this engine is used in 3600 Series and B it used in 3800 Series and C it used in 3100 and 3200 Series Six cylinder and 8 cylinRder are numbered separately with each type engine numbered in sequence starting with 0001001 F wil designate Flint engine T will designate Tonawanda engine EXAMPLE I The 50th 2100 Series regular production 235 6 cylinder engine built at Flint carries Serial No 0001050 F56Z it built at Tonawanda 0001050 T56Z 1 S9 5 7 Momzr DESCRIPTION DE I ATmN 15 21 2400 Regular 235 6 cylinder R A 15 21 2400 R Regular 235 6 cylinder with H D Clutch R R R AD 15 21 2400 R R 235 5 cylinder Powerglide R R E 15 21 2400 265 8 cylinder with 3 Speed Transmission C 15 21 2400 265 8 cylinder with Overdrive CD 15 21 2400 R 265 8 cylinder with H D Clutch R i CE 15 21 2400 R 283 8 cylinder with 4BC E 15 21 2400 283 8 cylinder with Dual 4BC EA 1962 Chovrolot Motor Divi i 13 Gumral Motors Corporation