Chevy Big Block Engine Suffix Codes for CID 396/402
Example
Engine Code Style Pre '70: F0114MB
F		01			14	MB
Assembly Plant		Assembly Month (MM)			Assembly Day (DD)	Suffix
Code	Year	CID	HP	Model	Comment
4T	1968	396	325	Chevelle	Man Trans
4U	1968	396	350	Chevelle	Man Trans
4W	1968	396	350	Chevelle	Auto Trans
CIL	1969	402	350	Camaro	HP
CJA	1969	402	325	Chevelle	L-35
CJB	1969	402	325	Camaro	L-35 alum hd
CJC	1969	402	350	Chevelle	L-34 HP
CJD	1969	402	375	Chevelle	L-78 SHP/Solid Cam/Holly
CJE	1969	402	350	Chevelle	L-34 HP
CJF	1969	402	375	Chevelle	L-78 SHP
CJF	1969	402	350	Camaro	L-34 HP
CJF	1970	396	350	Camaro
CJG	1969	402	325	Camaro	L-35
CJH	1970	396	375	Camaro	L-78
CJH	1969	402	375	Camaro	L-78 SHP
CJI	1969	402	350	Camaro	L-34
CJK	1969	402	325	Chevelle	L-35
CJL	1970	396	350	Camaro	L-34
CJL	1970	396	375	Camaro	L-78
CJL	1969	402	375	Camaro	L-78 SHP
CJU	1969	402	325	Camaro	L-35
CJV	1969	402	325	Chevelle	L-35
CKF	1969	402	375	Chevelle	L-78 SHP/Solid Cam
CKN	1970	402	330	Chevelle	LS-3
CKO	1970	396	375	Camaro	L-78 SHP
CKO	1970	396	375	Nova	L-78 SHP
CKO	1970	396	375	Chevelle	L-78 SHP
CKP	1970	396	375	Nova	L-89 SHP
CKP	1970	396	375	Chevelle	L-89 SHP, alum hd
CKQ	1970	396	375	Nova	L-78 SHP
CKQ	1970	396	375	Chevelle	L-78 SHP
CKR	1970	402	330	Chevelle	LS-3
CKS	1970	402	330	Chevelle	LS-3 HD clutch
CKT	1970	396	375	Chevy II	L-89 SHP
CKT	1970	396	375	Chevelle	L-89 SHP
CKU	1970	396	375	Chevelle	L-89 SHP
CKU	1970	396	375	Chevy II	L-89 SHP
CLA	1971	396	300	Camaro	LS-3
CLA	1971	396	300	Chevelle	LS-3
CLA	1972	402	240	Chevelle	LS-3
CLA	1971	402	300	Monte Carlo	LS-3
CLA	1971	396	300	Monte Carlo	LS-3
CLA	1972	396	240	Chevelle	LS-3
CLA	1971	402	300	Chevelle	LS-3
CLA	1972	396	240	Camaro	LS-3
CLB	1971	396	300	Chevelle	LS-3
CLB	1971	396	300	Monte Carlo	LS-3
CLB	1972	402	210	Monte Carlo	LS-3
CLB	1971	402	300	Chevelle	LS-3
CLB	1972	402	240	Camaro	LS-3
CLB	1972	396	210	Monte Carlo	LS-3
CLB	1972	396	240	Camaro	LS-3
CLB	1972	396	240	Chevelle	LS-3
CLB	1971	402	300	Monte Carlo	LS-3
CLB	1972	402	240	Chevelle	LS-3
CLB	1972	396	210	Chevrolet	LS-3
CLB	1972	402	210	Chevrolet	LS-3
CLC	1971	396	300	Camaro	LS-3
CLC	1971	402	300	Camaro	LS-3
CLD	1971	396	300	Camaro	LS-3
CLD	1971	402	300	Camaro	LS-3
CLL	1971	402	300	Chevelle	LS-3
CLL	1971	396	300	Monte Carlo	LS-3
CLL	1971	402	300	Monte Carlo	LS-3
CLL	1971	396	300	Chevelle	LS-3
CLP	1971	402	300	Chevrolet	LS-3
CLP	1971	396	300	Monte Carlo	LS-3
CLP	1971	402	300	Monte Carlo	LS-3
CLP	1971	402	300	Chevelle	LS-3
CLP	1971	396	300	Chevrolet	LS-3
CLP	1971	396	300	Chevelle	LS-3
CLR	1971	402	300	Chevrolet	LS-3
CLR	1971	396	300	Chevelle	LS-3
CLR	1971	396	300	Chevrolet	LS-3
CLR	1972	396	210	Chevrolet	LS-3
CLR	1971	402	300	Chevelle	LS-3
CLR	1972	402	210	Chevrolet	LS-3
CLS	1972	396	240	Chevelle	LS-3
CLS	1971	396	300	Chevelle	LS-3
CLS	1972	402	240	Chevelle	LS-3
CLS	1971	402	300	Chevelle	LS-3
CLS	1971	402	300	Monte Carlo	LS-3
CLS	1971	396	300	Monte Carlo	LS-3
CTA	1972	396	240	Camaro	LS-3 AR
CTA	1972	396	240	Chevelle	LS-3AR
CTA	1972	402	240	Camaro	LS-3 AR
CTA	1972	402	240	Chevelle	LS-3 AR
CTB	1972	396	240	Camaro	LS-3 AR
CTB	1972	402	240	Camaro	LS-3 AR
CTB	1972	402	240	Chevelle	LS-3 AR
CTB	1972	402	210	Chevrolet	LS-3 AR
CTB	1972	396	210	Chevrolet	LS-3 AR
CTB	1972	396	240	Chevelle	LS-3 AR
CTH	1972	402	240	Chevelle	AR
CTH	1972	396	240	Chevelle	AR
CTJ	1972	402	210	Monte Carlo
CTJ	1972	396	240	Chevelle	AR
CTJ	1972	402	210	Chevrolet	AR
CTJ	1972	396	210	Chevrolet	AR
CTJ	1972	402	240	Chevelle	AR
CTJ	1972	396	210	Monte Carlo
CTW	1970	396	350	Chevy II	HP
CTW	1970	396	375	Chevy II	SHP
CTW	1970	396	350	Camaro	HP
CTW	1970	396	350	Chevelle	HP
CTX	1970	396	350	Chevy II	HP
CTX	1970	396	350	Chevelle	HP
CTX	1970	396	350	Camaro	HP
CTY	1970	396	375	Camaro	SHP
CTY	1970	396	375	Chevelle	SHP
CTZ	1970	396	350	Chevelle	HP
CTZ	1970	396	350	Chevy II	HP
ED	1968	396	325	Chevelle
ED	1966	396	325	Chevelle
ED	1967	396	325	Chevelle
EF	1966	396	360	Chevelle	HP
EF	1968	396	350	Chevelle	HP
EF	1967	396	350	Chevelle	HP
EG	1966	396	375	Chevelle	SHP
EG	1968	396	375	Chevelle	SHP
EG	1967	396	375	Chevelle	SHP
EH	1966	396	325	Chevelle
EH	1967	396	325	Chevelle
EI	1967	396	350	Camaro	HP
EJ	1966	396	360	Chevelle	HP
EJ	1967	396	350	Chevelle	HP
EK	1967	396	325	Chevelle
EK	1966	396	325	Chevelle
EK	1968	396	325	Chevelle
EL	1967	396	350	Chevelle	HP
EL	1968	396	350	Chevelle	HP
EL	1966	396	360	Chevelle	HP
EM	1966	396	325	Chevelle
EM	1967	396	325	Chevelle
EN	1967	396	350	Chevelle	HP
EN	1966	396	360	Chevelle	HP
EQ	1967	396	350	Camaro	TH
ET	1968	396	325	Chevelle
ET	1967	396	325	Chevelle
EU	1968	396	350	Chevelle	HP
EU	1967	396	350	Chevelle	HP
EV	1967	396	350	Chevelle	HP
EW	1967	396	350	Chevelle	HP
EX	1967	396	375	Chevelle	SHP
EY	1967	396	350	Camaro	HP AR
IA	1965	396	325	Chevrolet
IA	1967	396	325	Chevrolet
IA	1966	396	325	Chevrolet
IB	1966	396	325	Chevrolet
IB	1967	396	325	Chevrolet	AR
IC	1966	396	325	Chevrolet	AR
IC	1967	396	325	Chevrolet
IC	1965	396	325	Chevrolet	ti
IE	1965	396	425	Chevrolet	SHP
IF	1965	396	425	Corvette
IF	1968	396	325	Chevrolet	Police
IG	1968	396	325	Chevrolet
IG	1965	396	325	Chevrolet
IG	1967	396	325	Chevrolet	AR
IG	1966	396	325	Chevrolet
II	1965	396	325	Chevrolet	ti
IK	1968	396	325	Chevrolet	Police
IN	1968	396	325	Chevrolet	Police
IN	1966	396	325	Chevrolet
IN	1967	396	325	Chevrolet	AR
IO	1966	396	325	Chevrolet
IV	1965	396	325	Chevrolet
IV	1966	396	325	Chevrolet
IV	1968	396	325	Chevrolet
IV	1967	396	325	Chevrolet	AR
IW	1965	396	325	Chevrolet
JA	1969	396	325	Chevelle
JB	1969	396	325	Camaro
JC	1969	396	350	Chevelle	HP
JD	1969	396	375	Chevelle	SHP
JE	1969	396	350	Chevelle	HP
JF	1969	396	350	Chevy II	HP
JF	1969	396	350	Camaro	HP
JG	1969	396	325	Camaro
JH	1969	396	375	Chevy II	SHP
JH	1969	396	375	Camaro	SHP
JI	1969	396	350	Chevy II	HP
JI	1969	396	350	Camaro	HP
JJ	1969	396	375	Camaro	alum hd
JK	1969	396	325	Chevelle
JL	1969	396	375	Chevy II	SHP
JL	1969	396	375	Camaro	SHP
JM	1969	396		Chevy II	questionable
JM	1969	396	375	Camaro	alum hd
JN	1969	396	265	Chevrolet
JO	1969	396	265	Chevrolet	Police
JP	1969	396	265	Chevrolet	Police
JQ	1969	396	265	Chevrolet
JR	1969	396	265	Chevrolet	Police, hdc
JT	1969	396	265	Chevrolet	hdc
JU	1969	396		Chevy II	questionable
JU	1969	396	325	Camaro	hdc
JV	1969	396	325	Chevelle
KA	1969	396	350	Camaro	HP
KA	1969	396	350	Chevy II	HP
KB	1969	396	350	Chevelle	HP
KC	1969	396	375	Camaro	SHP
KC	1969	396	375	Chevy II	SHP
KD	1969	396	375	Chevelle	SHP
KE	1969	396	375	Camaro	alum hd
KE	1969	396		Chevy II	questionable
KF	1969	396	375	Chevelle	SHP
KG	1969	396	375	Chevelle	alum hd
KH	1969	396	375	Chevelle	alum hd
KI	1969	396	375	Chevelle	alum hd
LB	1965	396	325	Chevrolet
LC	1965	396	325	Chevrolet
LF	1965	396	325	Chevrolet
MQ	1968	396	375	Chevy II	HP
MQ	1968	396	375	Camaro
MQ	1967	396	375	Camaro
MR	1968	396	350	Chevy II	HP
MR	1968	396	350	Camaro
MR	1967	396	375	Camaro
MT	1968	396	375	Camaro
MW	1968	396	325	Camaro
MW	1967	396	325	Camaro
MX	1968	396	350	Camaro
MX	1967	396	325	Camaro	AIR
MX	1968	396	350	Chevy II	HP
MY	1967	396	325	Camaro
MY	1968	396	325	Camaro
MZ	1967	396	325	Camaro
TBG	1970	402	310	Truck	L-47 10, 20, 30
TBH	1970	402	310	Truck	L-47 10, 20, 30
THB	1972	402	210	Truck	L-47 30, fwd
TKA	1971	402	310	Truck	L-47 10, 20,30
TKA	1972	402	210	Truck	L-47 10, 20
TKB	1971	402	310	Truck	L-47 10, 20, 30
TKB	1972	402	210	Truck	L-47 10, 20
TKM	1972	402	210	Truck	L-47 AR, 10, 20
TKW	1972	402	210	Truck	L-47 20, 30
TKX	1972	402	210	Truck	L-47 20, 30
TLM	1972	402	210	Truck	L-47 AR, 10, 20
XE	1968	396	310	Truck	L-66 AR, 10, 20
XF	1968	396	310	Truck	L-66 20, 30
XG	1968	396	310	Truck	L-66 AR, 10, 20
XH	1968	396	310	Truck	L-66 20, 30
XK	1968	396	275	Truck	L-66 2bbl, 10,20
XL	1968	396	275	Truck	L-66 2bbl, 10,20
XM	1968	396	275	Truck	L-66 2bbl, 20
XN	1968	396	275	Truck	L-66 2bbl, 20, 30
YP	1969	396	310	Truck	L-66 10, 20, 30
YQ	1969	396	310	Truck	L-66 20, 30
YR	1969	396	310	Truck	L-66 10, 20, 30
YS	1969	396	310	Truck	L-66 20, 30