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ENGINE CODES

 
CHEVELLE * MONTE CARLO
  
1964                        Code Prefix

1964                       Code Prefix
6-194 Std. trans G 6-230 P/G BL
6-194 HDC GB 6-230 P/G, P/V, A/C BP
6-194 Std. trans, P/V GF 6-230 3 sp. tran, A/C LL
6-194 HDC, P/V GG 6-230 3 sp. tran, P/V LM
6-194 Std. trans GH 8-283 3 sp. tran J
6-194 Std. trans, P/V GJ 8-283 4 sp. tran JA
6-194 Std. trans, A/C GK 8-283 P/G JD
6-194 HDC, A/C GL 8-283 4 Bar carb, P/G JG
6-194 Std. trans, A/C, P/V GM 8-283 4 Bar carb JH
6-194 HDC, A/C GN 8-327 Std. tran JQ
6-194 P/G K 8-327 Std. tran, HPE JR
6-194 P/G, P/V KB 8-327 Std. tran, SHPE JS
6-194 P/G KC
6-194 P/G, P/V KD
6-194 P/G, A/C KH
6-194 P/G, A/C, P/V KJ
    
1964-66
  
6-230 P/G, P/V, A/C BN
   
8-327 Std. tran, T/I JT
8-327 P/G SR
8-327 P/G, HPE SS
 
 
 
  
1965-66
6-194 Std. trans AA
6-194 HDC AC
6-194 A/C AG
6-194 A/C, HDC AH
6-194 Taxi AK
6-194 P/G AL
  
 
  
1965-67
6-230 M/T CA
6-230 P/G CC
6-230 A/C, P/G CD
    
1965-66
6-194 P/G, Taxi AN
6-194 A/C, P/G AR
6-230 P/G, P/V BN
6-230 A/C, M/T CB
8-283 P/G DF
   
    
1965-67
 
8-283 3 sp tran DA
8-283 4 sp tran DB
   
    
1966
6-194 A.I.R AS
6-194 A.I.R, A/C AT
6-194 A.I.R, A/C, HDC AU
6-194 A.I.R, Taxi AV
6-194 A.I.R, HDC AW
6-194 P/G, A.I.R AX
6-194 A.I.R, A/C, P/G AY
6-194 A.I.R, P/G, Taxi AZ
    

1966-67
6-230 A.I.R, P/G BL
6-230 A.I.R, A/C, P/G BM
6-230 A.I.R, A/C BO
8-283 A.I.R DI
   
  
1966-68
8-327 M/T EA
8-327 P/G EE
8-396 SHPE EG
   
    
1967
6-230 A.I.R BN
6-230 A/C CB
6-250 A.I.R CO
6-250 A.I.R, A/C CP
6-250 A.I.R, P/G CS
6-250 A.I.R, A/C, P/G CT
8-283 HDC DN
   
    
1967-68
 
6-230 A/C, HDC BB
6-230 HDC BC
6-250 3 sp tran CM
6-250 A/C CN
   
    
1968
 
6-230 M/T BA
6-230 A/C BD
6-230 P/G BF
6-230 A/C, P/G BH
8-307 M/T DA
8-307 4 sp. tran DB
8-307 P/G DE
8-307 HDC DN
   
    
1969
 
6-230 T/H AD
6-230 M/T AM
6-230 T/D, P/G AN
6-230 A/C AP
6-230 A/C, T/D, P/G AQ
6-230 A/C, T/H AR
6-250 T/D, P/G BB
6-250 A/C, T/D, P/G BC
6-250 T/H BD
6-250 M/T BE
6-250 A/C BF
6-250 A/C, T/H BH
8-307 M/T DA
8-307 P/G DC
   
    
Location: 

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


8 CYL - Front pad on righthand side of block
 
1966
8-327 HPE EB
8-327 SHPE EC
8-396 T/I ED
8-396 P/G, HPE EF
8-396 A.I.R, HPE EJ
8-396 A.I.R, HPE, P/G EN
   
   
  
1966-67
8-283 A.I.R, P/G DJ
8-283 4 sp tran, A.I.R DK
8-396 A.I.R EH
8-396 A.I.R, P/G EM
   
    
1966-68
  
8-396 P/G EK
8-396 HPE, P/G EL
   
    
1967
 
8-327 4 Bar carb EA
8-327 A.I.R EB
8-327 A.I.R, P/G EC
8-327 HDC EQ
8-327 A.I.R, SHPE ER
8-396 M/T, P/G ED
   
    
1967-68
 
6-250 P/G CQ
6-250 A/C, P/G CR
8-327 SHPE EP
8-327 HDC, SHPE ES
    
1968
 
8-327 4 Bar carb EH
8-327 4 Bar carb, P/G EI
8-327 4 Bar carb, HDC EJ
8-327 HDC EO
8-396 M/T ED
8-396 HPE EF
8-396 T/H ET
8-396 T/H, HPE EU
   
    
1969
 
8-307 T/H DD
8-307 4 sp. tran DE
8-350 M/T HA
8-350 T/H HB
8-350 2 Bar carb HC
8-350 2 Bar carb, T/H HD
8-350 P/G HE
8-350 2 Bar carb, P/G HF
8-396 M/T JA
8-396 HPE JC
8-396 SHPE JD
8-396 HPE, T/H JE
8-396 T/H JK
   
    
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
  1970-75

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