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ENGINE CODES
 
CHEVY II * NOVA
  
1970                             Code Prefix

1970                               Code Prefix
4-153 Std. tran CCA 8-350 P/G, 250hp CNM
4-153 T/D CCB 8-350 T/H, 250hp CNN
6-230 T/D CCD 8-350 T/H, 300hp CRE
6-250 P/G, Taxi & Police CCM 8-350 M/T, 320hp CTB
6-250 Std. tran CCG 8-350 T/H, 320hp CTC
6-250 T/H, Taxi & Police CCK 8-400 Std. tran 375hp CKO
6-250 Std. tran CCI 8-400 T/H, 375hp ALUM HEADS CKP
6-250 T/H, Taxi & Police CCL 8-400 HDC, 375hp CKQ
6-250 Std. tran CRF 8-400 M/T, 330hp CKR
8-307 Std. tran CNC 8-400 HDC, 330hp CKS
8-307 4 sp. tran CND 8-400 M/T, ALUM HEADS 375hp CKT
8-307 P/G CNE 8-400 T/H, 350hp CTW
8-307 T/H CNF 8-400 M/T, 350hp CTX
8-350 Std. tran 250hp CNI 8-400 T/H, 375hp CTY
8-350 Std. tran 300hp CNJ 8-400 HDC, 350hp CTZ
8-350 P/G, 300hp CNK    
       
        
1971
6-250 Std. tran CAA
6-250 P/G, T/D CAB
8-307 Std. tran CCA
8-307 P/G CCC
8-350 P/G, 250hp CGB
8-350 M/T, 300hp CGK
   
    
1971
8-350 T/H, 300hp CGL
8-454 T/H CPT
8-454 Std. tran CPS
8-454 Std. tran, 460hp CPP
8-454 T/H, 460hp CPR 
1972
6-250 Std. tran, Taxi CAL
6-250 Std. tran, E.E.C CBA
6-250 Std. tran CBG
6-250 P/G, T/D CBJ
6-250 P/G, Taxi CBK
6-250 P/G, A.I.R CBL
6-250 Std. tran A.I.R CBM
8-307 T/H CAY
8-307 Std. tran, E.E.C CAZ
8-307 Std. tran CKG
8-307 P/G CKH
8-307 P/G, E.E.C CMA
8-307 T/H CTK
8-350 M/T, E.E.C CDA 
1972
8-350 E.E.C, T/H CDD
8-350 M/T, E.E.C CDG
8-350 P/G CGB
8-350 Std. tran 165hp CKA
8-350 T/H, 165hp CKB
8-350 T/H CKD
8-350 CKK
8-350 M/T 145hp CKA
8-350 P/G CKB
8-350 T/H CKD
8-350 T/H, A.I.R CMD
8-350 T/H, A.I.R CRK
8-350 M/T, A.I.R CRL
8-350 T/H CTL
   
  
1973
6-250 P/G CCA
6-250 P/G, E.E.C CCB
6-250 M/T CCC
6-250 M/T, E.E.C CCD
8-307 M/T CHB
8-307 T/H CHH
8-307 E.E.C, T/H CHC
8-307 E.E.C, M/T CHD
   
    
1974
6-250 M/T CCR
6-250 T/H, E.E.C CCW
6-250 T/H CCX
6-250 CCK
8-350 M/T CMC
8-350 T/H CMA
   
    
1975
6-250 CCS
6-250 CCT
6-250 CCU
6-250 CCW
6-250 CJF
6-250 CJL
6-250 CJM
6-250 CJR
6-250 CJS
6-250 CJT
6-250 CJU
6-250 CJW
6-250 CJX
6-250 CJZ
8-262 CGC
8-262 CGD
8-262 CGF
   
    
Location:

4 & 6 CYL- Righthand side of block, rear of distributor


8 CYL - Front pad on righthand side of block
 
1973
8-350 M/T, 145 hp CKA
8-350 T/H 175 hp CKU
8-350 M/T, 175 hp CKB
8-350 T/H, 145 hp CKW
8-350 M/T, E.E.C, 145 hp CKC
8-350 T/H, E.E.C, 145 hp CKK
8-350 T/H, E.E.C, 175 hp CKD
8-350 M/T, E.E.C, 175 hp CKH
   
  
1974
8-350 M/T 185hp CKB
8-350 4 bar carb, M/T CKH
8-350 M/T, E.E.C 185 hp CKH
8-350 T/H, 185hp CKU
8-350 4 bar carb, T/H E.E.C CKD
   
   
  
1975
8-262 CGH
8-262 CZF
8-262 CZH
8-262 CZJ
8-262 CZK
8-262 CZL
8-262 CZM
8-262 CZY
8-262 CZZ
8-350 CHW
8-350 CMF
8-350 CMH
8-350 CMU
8-350 CRC
8-350 CRX
   
   
  
Configuration:

A/C - Air conditioning                      O/D - Overdrive
A/H - Aluminum heads                    P/G - Powerglide
A/S - Air spension                            P/S - Power steering
A.I.R. - Air Injection Reactor         P/V - Positive crankcase 
A/T - Auto trans                                          ventilation
E.E.C - Exhaust emission control    SHPE - Special high perf. eng
F/I -  fuel injection                          S.S. - Super Sport
H/D -  Heavy duty                            T/D - Torque drive
HDC - Heavy duty clutch                 T/H - Turbo hydramatic
HPE - High performance engine    T/I - Transistor ignition
H/L - Hydraulic lifters
M/T - Manual trans
 
  1962-69

The engine codes decoder reveals the engine displacement, plate location and configuration.