Chevrolet Engine Codes 1970-75







ENGINE CODES

1962-69
CHEVROLET

1970	Code Prefix	1970	Code Prefix
6 Cyl. P/G, Taxi & Police	CCM	8-350 Police, P/G, Taxi & 300hp	CNS
6 Cyl. 3 sp. tran	CCG	8-350 PoliceT/H, 300hp	CNT
6 Cyl. 3 sp. tran	CCH	8-350 P/G, 250hp	CNU
6 Cyl. T/H, Taxi & Police	CCK	8-350 T/H, 250hp	CNV
6 Cyl. 3 sp. tran	CCZ	8-350 Taxi & Police, P/G, 250hp	CNW
6 Cyl. 3 sp. tran, Taxi & Police	CCL	8-350 Taxi & Police, T/H 250hp	CNX
6 Cyl. Std trans	CRF	8-400 Std. tran, 265hp	CGR
6 Cyl. Std trans	CRG	8-454 Std. tran, 345hp	CGV
8-350 Std. tran, 250hp	CND	8-454 Std. tran, Police,345hp	CGS
8-350 Std. tran, Taxi & Police, 250hp	CNP	8-454 Std. tran, Police,390hp	CGT
8-350 Std. tran, 300hp	CNQ	8-454 Std. tran,390hp	CGU
8-350 T/H, 300hp	CNR
1971		1971
6-250 Std. tran	CAA	8-350 Taxi & Police, T/H 250hp	CGJ
6-250 P/G, T/D	CAB	8-350 Police, M/T, 300hp	CJB
6-250 Std. tran, Taxi & Police	CAC	8-400 T/H, 265hp	CLK
6-250 P/G, Taxi & Police	CAD	8-400 T/H, hp	CLP
8-350 Std. tran, 250hp	CGA	8-454 Std. tran, 390hp	CPD
8-350 P/G, 250hp	CGB	8-454 Std. tran, Police,390hp	CPG
8-350 Std. tran, 250hp	CGC
1972		1972
6-250 Std. tran, Taxi & Police	CBH	8-400 T/H, Police	CDL
6-250 P/G	CBJ	8-400 E.E.C, T/H, Police	CDM
6-250 P/G, Taxi & Police	CBK	8-400 T/H	CKP
6-250 Std. tran	CNJ	8-400 Std. tran	CLB
6-250 P/G, A.I.R	CDL	8-400 M/T, Police	CLR
8-350 Taxi & Police, T/H	CAR	8-454 T/H, A.I.R	CRW
8-350 E.E.C, T/H	CDB	8-454 T/H, A.I.R, Police	CRY
8-350 T/H	CKB	8-454 T/H	CPD
8-350 Taxi & Police, T/H	CSH	8-454 T/H, Police	CPG
8-350 Std. tran	CSJ
8-400 T/H	CAT
1973		1973
6-250 Std. tran	CCL	8-400 T/H	CSA
6-250 Std. tran, E.E.C	CCM	8-400 T/H, Police	CSB
8-350 T/H, 145 hp	CKL	8-400 E.E.C, T/H, Police	CSC
8-350 T/H, Taxi & Police 145 hp	CKS	8-400 E.E.C, T/H	CSD
8-350 T/H, E.E.C, 145 hp	CKK	8-400 T/H	CSK
8-350 T/H, E.E.C, 145 hp	CLT	8-400 E.E.C, T/H, Police	CSL
8-350 T/H 145hp	CLU	8-400 T/H, Police	CSM
8-350 T/H, E.E.C, Police 145 hp	CLW	8-454 T/H	CWD
8-350 T/H, Police 145 hp	CLX	8-454 E.E.C, T/H, Police	CWJ
8-350 T/H, E.E.C, Police 175 hp	CKR	8-454 T/H, Police	CWK
8-350 T/H, E.E.C, 175 hp	CKD	8-454 T/H	CWL
8-350 T/H, E.E.C, 175 hp	CKJ
1974		1974
8-350 4 bar carb, E.E.C, Taxi-Police	CMK	8-400 4 bar carb, E.E.C, 180hp, Police	CTK
8-350 E.E.C, Taxi & Police	CMA	8-400 4 bar carb, 180 hp Police	CTJ
8-350 Taxi & Police	CMD	8-400 150 hp	CTA
8-350 4 bar carb, E.E.C,Police	CMH	8-400 150 hp Police	CTB
8-350 4 bar carb,Police	CMJ	8-454 Police	CWU
8-350 4 bar carb, E.E.C	CKD	8-454 E.E.C, Police	CWW
8-400 4 bar carb, E.E.C 180 hp	CTC	8-454 E.E.C	CWY
8-400 4 bar carb, 180 hp	CTD	8-454	CXA
1975		1975
8-350	CMJ	8-400	CTU
8-350	CRU	8-400	CTW
8-350	CRW	8-400	CTY
8-350	CRY	8-400	CTZ
8-400	CSA
8-400	CTL
8-400	CTM

Location: 4 & 6 CYL- Righthand side of block, rear of distributor 8 CYL - Front pad on righthand side of block		Configuration: A/C - Air conditioning O/D - Overdrive A/H - Aluminum heads P/G - Powerglide A/S - Air suspension P/S - Power steering A.I.R. - Air Injection Reactor P/V - Positive crankcase ventilation A/T - Auto trans 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

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

ENGINE CODES

CHEVROLET