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ENGINE CODES

 
1962-68

CORVETTE

 
1969
Code Prefix
1970
Code Prefix
8-350
HPE
HW 8-454
HPE, T/H
CGW
8-350
HPE, A/C
HX 8-454
HPE, T/I
CRI
8-350
M/T
HY 8-350
M/T
CTL
8-350
T/H
HZ 8-350
T/H
CTM
8-427
HPE, T/H
LL 8-350
HPE
CTN
8-427
HPE
LM 8-350
HPE, A/C
CTO
8-427
HPE, T/H, 3 Carbs
LN 8-350
HPE, T/I
CTP
8-427
HD
LO 8-350
HPE, A/C, T/I
CTQ
8-427
A/H
LP 8-350
SHPE
CTR
8-427
HPE, 3 Carbs
LQ 8-350
SHPE, T/I
CTU
8-427
SHPE, 3 Carbs
LR 8-350
SHPE, T/I, 4 Speed
CTV
8-427
SHPE, HDC, 3 Carbs
LT 8-454
HD
CZL
8-427
A/H, HDC
LU 8-454
HD, T/H
CZN
8-427
T/H
LV 8-454
HPE
CZU
8-427
A/H, T/H
LW    
8-427
SHPE, T/H, 3 Carbs
LX    
1971
1972
8-350
T/H, 270hp
CGT 8-350
4 Speed, 200hp
CKW
8-350
M/T, 330hp
CGY 8-350
4 Speed, E.E.C.,200hp
CDH
8-350
M/T, 330hp
CGZ 8-350
T/H 400, 200hp
CKX
8-350
M/T, 270hp
CJK 8-350
T/H 400, E.E.C., 200hp
CDJ
8-350
M/T, 270hp
CJL 8-350
4 Speed, 255hp
CKY
8-454
M/T, 365hp
CPH 8-350
H.D, 4 Speed, 255hp
CKZ
8-454
T/H, 365HP
CPJ 8-350
AIR, 4 Speed, 255hp
CRT
8-454
M/T, 425hp
CPW 8-350
T/H 400, AIR, 255hp
CRS
8-454
T/H, 425hp
CPX 8-454
4 Speed
CPH
    8-454
T/H 400
CPJ
    8-454
AIR
CSR
    8-454
AIR
CSS
1973
1974
8-350
M/T, 175hp
CKZ 8-350
M/T
CKZ
8-350
T/H
CLA 8-350
M/T, E.E.C
CLB
8-350
M/T, 250hp
CLR 8-350
M/T, 245hp
CLR
8-350
M/T, E.E.C, 175hp
CLB 8-350
T/H
CLA
8-350
T/H, E.E.C, 175hp
CLC 8-350
T/H, E.E.C
CLC
8-350
M/T, E.E.C, 250hp
CLS 8-350
T/H, 245hp
CLD
8-350
T/H, 250hp
CLD 8-454
M/T
CWM
8-350
T/H, E.E.C, 250hp
CLH 8-454
T/H
CWR
8-454
T/H E.EC
CWS 8-454
T/H E.EC
CWS
8-454
M/T, E.E.C
CWT    
8-454
M/T
CWM    
8-454
T/H
CWR

Configuration:

A/C: Air conditioned

AIR: Air injection reactor

A/T: Automatic trans

A/S: Air suspension

A/H: Aluminum heads

E.E.C: Exhaust emission control

F/I: Fuel injection

H.D.: Heavy duty

HPE: High performance

H/L: Hydraulic lifters engine

M/T: Manual trans

P/G: Powerglide

P/S: Power steering

SHPE: Special Hi Perf. engine

T/C: Turbocharged

T/I: Transistor ignition

T/H: Trubo hydramatic

 
1975
8-350 CHA
8-350 CHB
8-350 CHC
8-350 CHR
8-350 CHU
8-350 CHZ
   
 
 
The engine code decoder reveals the engine displacement, plate location and configuration.