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Chevrolet V8 Engine ID Codes

1974

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Model Model No. CID H.P. (RPO Code) Trans/Options Suffix
Passenger 1BK/1BL/1BN00 350 145 (RPO L65) Turbo Hydra-Matic 350, Police/Taxi CMD
        Turbo Hydra-Matic 350/400 CMR
      160 (RPO L48) Turbo Hydra-Matic 400, YF5 CKD
        Turbo Hydra-Matic 400 CMH
        Turbo Hydra-Matic 400, Police CMJ
        Turbo Hydra-Matic 400, YF5, Police CMK
    400 150 (RPO LF6) Turbo Hydra-Matic 400, HEI CSU
        Turbo Hydra-Matic 400, HEI, Police CSW
        Turbo Hydra-Matic 400, 2-bbl CTA
        Turbo Hydra-Matic 400, Police, 2-bbl CTB
      180 Turbo Hydra-Matic 400, HEI, wagon CSY
        Turbo Hydra-Matic 400, HEI, Police wagon CSZ
        Turbo Hydra-Matic 350/400, YF5 CTC
        Turbo Hydra-Matic 400 wagon CTU
        Turbo Hydra-Matic 400, HEI, YF5, Police CTH
        Turbo Hydra-Matic 400, Police wagon CTJ
        Turbo Hydra-Matic, YF5, Police CTK
    454 235 (RPO LS4) Turbo Hydra-Matic 400, Police CWU
      Turbo Hydra-Matic 400, YF5, Police CWW
        Turbo Hydra-Matic 400, YF5 CWY
        Turbo Hydra-Matic 400 CXA
        Turbo Hydra-Matic 400, YF5, Police CXB
        Turbo Hydra-Matic 400, YF5 CXC
        Turbo Hydra-Matic 400. HEI, Police CXT
        Turbo Hydra-Matic 400, HEI CXU
           
Corvette 1YZ00 350 195 4-speed CKZ
        Turbo Hydra-Matic CLA
        4-speed, YF5 CLB
        Turbo Hydra-Matic YF5 CLC
      250 (RPO L82) Turbo Hydra-Matic CLD
        4-speed CLR
    454 270 (RPO LS4) 4-speed CWM
        Turbo Hydra-Matic 400 CWR
        Turbo Hydra-Matic 400, YF5 CWS
           
Nova 1XX/1XY00 350 145 Turbo Hydra-Matic 350 CMA
        3-speed CMC
      160 (RPO L65) Turbo Hydra-Matic 350, YF5 CKD
        Manual, YF5 CKH
      185 (RPO LM1) Manual CKB
        Turbo Hydra-Matic 350, YF5 CKD
        Manual, YF6 CKH
        Turbo Hydra-Matic 350 CKU
           
Chevelle 1AD/1AE/1AG00 350 145 Manual CMC
        Turbo Hydra-Matic 350/400 CMR
      160 (RPO LM1) Turbo Hydra-Matic 350, YF5 CKD
        Manual, YF5 CKH
    400 150 (RPO LF6) Turbo Hydra-Matic 400, 2-bbl CTA
      180 (RPO LT4) Turbo Hydra-Matic 350 CSU
        Turbo Hydra-Matic 350/400, YF5 CTC
    454 235 (RPO LS4) 4-speed CWA
        Turbo Hydra-Matic 400, YF5 CWD
        Turbo Hydra-Matic 400 CWX
        4-speed, HEI CXM
        Turbo Hydra-Matic 400, HEI CXR
        Turbo Hydra-Matic 400, HEI, YF5 CXS
           
Monte Carlo 1AH00 350 145 (RPO L65) Manual CMC
        Turbo Hydra-Matic CMR
    160 (RPO LM1) Turbo Hydra-Matic, YF5 CKD
        Manual, YF5 CKH
    400 150 (RPO LF6) Turbo Hydra-Matic CTA
      180 (RPO LT4) Turbo Hydra-Matic, YF5 CTC
        Turbo Hydra-Matic 400, YF5 CSU
    454 235 (RPO LS4) Turbo Hydra-Matic 400, YF5 CWD
        Turbo Hydra-Matic 400 CWX
        Turbo Hydra-Matic 400, HEI CXR
        Turbo Hydra-Matic 400, HEI, YF5 CXS
           
Camaro 1GQ/1FS00 350 145 (RPO L65) Turbo Hydra-Matic 350 CMA
        Manual (n/a California) CMC
    160 (RPO LM1) Turbo Hydra-Matic 350, YF5 CKD
        Manual, YF5 (California only) CKH
      185 (RPO L48) Manual CKB
        Turbo Hydra-Matic 350, YF5 CKD
        Manual, YF5 CKH
        Turbo Hydra-Matic 350 CKU
      245 (part of RPO Z28) 4-Speed CLJ
        Turbo Hydra-Matic 400 CLK
        4-speed, some YF5 CMS
        Turbo Hydra-Matic 400 CMT
           
N.B.2 - California Emission Engine


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