366 - 454 Codes:   CGR - CZU

Legend: A.I.R. = Air Injector Reactor, HD = Heavy Duty, HDC = Heavy Duty Clutch, HEI = High Energy Ignition,  L89 = Aluminum Heads, MT = Manual TransmissionNB2 = California Emissions, TH400 = Turbo Hydramatic 400 Transmission, TI = Transistor Ignition, YF5 = California Emissions.

GM body platform letters A (Chevelle), B (Passenger), F (Camaro/Firebird), G (Malibu), X (Nova) = GM body platforms and are used instead of Passenger, Chevelle, etc. unless engine was only used in one particular model of a platform beginning in 1964.  Otherwise 'Passenger' is used for 1955-1963 model years.  police and taxi imply passenger car unless otherwise noted. A body platform includes both Chevelle and Monte Carlo unless otherwise noted.

(n/a = information not available) - [ Return to Engine Codes Index ]

Code Year CID HP Trans Platform/Comments
CGR 1970 402 330 MT A (found on Vintage Vehicle Services document)
CGS 1970 454 345 TH400 B, police
CGT 1970 454 390 TH400 B, police
CGU 1970 454 390 TH400 B
CGV 1970 454 345 TH400 B
CGW 1970 454 390 TH400 Corvette
CJA 1969 402 325 MT A, F
CJC 1969 402 350 MT A
CJD 1969 402 375 MT A
CJE 1969 402 350 TH400 A
CJF 1969 402 350 MT F
CJG 1969 402 325 TH400 F
CJH 1969 402 375 MT F
CJI 1969 402 350 TH400 F
CJJ 1969 402 375 MT F, L89
CJK 1969 402 325 TH400 A
CJL 1969 402 375 TH400 F
CJM 1969 402 375 TH400 F, L89
CJU 1969 402 325 MT F, HDC
CJV 1969 402 325 MT A, HDC
CKA 1969 402 350 MT F, HDC
CKB 1969 402 350 MT A, HDC
CKC 1969 402 375 MT F, HDC
CKD 1969 402 375 MT A, HDC
CKE 1969 402 375 MT F, L89, HDC
CKF 1969 402 375 TH400 A
CKG 1969 402 375 MT A, L89
CKH 1969 402 375 TH400 A, L89
CKI 1969 402 375 MT A, HDC, L89 *
CKN 1970 402 330 TH400 A (Monte Carlo)
CLK 1969 402 375 MT F, (unverified)
CKN 1970 402 330 TH400 A
CKO 1970 402 375 MT A (Chevelle), F, X
CKP 1970 402 375 TH400 F, L89, X (unverified)
CKQ 1970 402 375 MT A (Chevelle), X, HDC
CKR 1970 402 330 MT A (Monte Carlo unverified)
CKS 1970 402 330 MT A (Chevelle), HDC
CKT 1970 402 375 MT A (Chevelle), L89, X (unverified)
CKU 1970 402 375 MT A (Chevelle), L89, HDC, X (unverified)
CLA 1971 402 300 MT A
CLA 1972 402 240 MT A (Chevelle), F
CLB 1971 402 300 TH400 A (Chevelle)
CLB 1972 402 240 TH400 A, B, F
CLR 1971 402 300 TH400 B, police
CLR 1972 402 240 MT B, police
CLS 1971 402 300 MT A (Chevelle), HD MC1
CLS 1972 402 240 MT A (Chevelle)
CPA 1971 454 365 MT A (Chevelle)
CPA 1972 454 270 MT A (Chevelle)
CPD 1971 454 365 TH400 A
CPD 1972 454 270 TH400 A, B
CPG 1971 454 365 TH400 B, police
CPG 1972 454 270 MT B, police (unverified)
CPH 1971 454 365 MT Corvette
CPH 1972 454 270 MT Corvette
CPJ 1971 454 365 TH400 Corvette
CPJ 1972 454 270 TH400 Corvette
CPP 1971 454 425 MT A (Chevelle)
CPR 1971 454 425 TH400 A (Chevelle) (unverified)
CPW 1971 454 425 MT Corvette
CPX 1971 454 425 TH400 Corvette
CPY 1971 454 425 TH400 A (Chevelle), 10 released
CPZ 1971 454 425 TH400 A (Chevelle), 4  released
CRI 1970 454 390 MT Corvette, TI
CRJ 1970 454 390 TH400 Corvette, TI
CRQ 1970 454 360 TH400 A (Chevelle)
CRR 1970 454 450 TH400 A (Chevelle)
CRN 1970 454 360 th400 A (Monte Carlo)
CRS 1970 454 450 TH400 A (Chevelle), L89 (unverified)
CRT 1970 454 360 MT A (Chevelle)
CRV 1970 454 450 MT A (Chevelle)
CRW 1972 454 270 TH400 A, B, A.I.R.
CRX 1972 454 270 MT A (Chevelle), A.I.R.
CSR 1972 454 270 MT Corvette, A.I.R.
CSS 1972 454 270 TH400 Corvette, A.I.R.
CTA 1972 402 240 MT A (Chevelle), F, A.I.R., police/taxi
CTB 1972 402 240 MT A, B, F, A.I.R.
CTH 1972 402 240 MT A (Chevelle), A.I.R., HD MC1
CTJ 1972 402 240 MT A (Chevelle), B, A.I.R., police/taxi
CTW 1970 402 350 TH400 A (Chevelle), F, X
CTX 1970 402 350 MT A (Chevelle), F, X
CTY 1970 402 375 TH400 A (Chevelle), F, X
CTZ 1970 402 350 MT A (Chevelle), X, HDC
CWA 1974 454 235 MT A (Chevelle)
CWB 1973 454 245 TH400 A
CWC 1973 454 245 MT A, NB2
CWD 1973 454 245 TH400 A, B, NB2
CWD 1974 454 235 TH400 A, YF5
CWH 1973 454 245 TH400 B, NB2
CWJ 1973 454 245 TH400 B, NB2, police
CWK 1973 454 245 TH400 B, police
CWL 1973 454 245 TH400 B
CWM 1973 454 275 MT Corvette
CWM 1974 454 270 MT Corvette, YF5
CWR 1973 454 245 MT A (Chevelle)
CWR 1973 454 275 TH400 Corvette
CWR 1974 454 270 TH400 Corvette
CWS 1973 454 275 TH400 Corvette, NB2
CWS 1974 454 270 TH400 Corvette, NB2
CWT 1973 454 275 MT Corvette, NB2
CWU 1973 242 245 TH400 B, police
CWU 1974 454 235 TH400 B, police
CWW 1973 454 245 TH400 B, NB2, police
CWW 1974 454 235 TH400 B, NB2, police
CWX 1974 454 235 TH400 A
CWY 1974 454 235 TH400 B, YF5
CXA 1974 454 235 TH400 B
CXB 1974 454 235 TH400 B, NB2, police
CXC 1974 454 235 TH400 B, NB2
CXM 1974 454 235 MT A (Chevelle), HEI
CXR 1974 454 235 TH400 A, HEI
CXS 1974 454 235 TH400 A, HEI, YF5
CXT 1974 454 235 TH400 B, HEI, police
CXU 1974 454 235 TH400 B. HEI
CXW 1975 454 215 TH400 A, A.I.R., Federal
CXX 1975 454 215 TH400 B, A.I.R., Federal
CXY 1975 454 215 TH400 B, A.I.R., Federal, police/taxi
CZU 1970 454 390 MT Corvette

* Tonawanda does not show this engine in their production reports but information presented here is from Alan L. Colvin's "...by the numbers..." reference book.