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Chevrolet V8 Engine ID Codes

1964

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Model Model No. CID H.P. (RPO Code) Trans/Options Suffix
Passenger 12-14-16-1800 283 195 Manual C
  1200     Police CB
  12-14-16-1800   195 Powerglide D
    327 250 (RPO L30) Manual R
      300 (RPO L74) Manual, H.P. RB
      230 COPO, low compression RS
      250 Powerglide S
      300 Powerglide, H.P. SB
    409 400 (RPO L33) Manual, 2x4-bbl, H.P. QA
      425 (RPO L80 - 2x4 intake) Manual, 2x4-bbl, S.H.P. QB
      340 (RPO L31) Manual, 4-bbl QC
        Powerglide, 4-bbl QG
      400 Manual, T.I., H.P. QN
      425 Manual, 2x4-bbl, T.I., S.H.P. QP
      340 Manual, T.I. QQ
        Powerglide, T.I. QR
           
Corvette 837/867 327 250 Manual RC
      300 (RPO L75) Manual, H.P. RD
      365 (RPO L76) Manual, 4-bbl, S.H.P. RE
      375 (RPO L84) Manual, F.I., S.H.P. RF
      250 Manual, A.C. RP
      300 Manual, A.C., H.P. RQ
      365 Manual, A.C., S.H.P. RR
        Manual, T.I., S.H.P. RT
        Manual, T.I., A.C., S.H.P. RU
      375 Manual, F.I., S.H.P. (not verified) RX
      250 Powerglide SC
      300 Powerglide, H.P. SD
      250 Powerglide, A.C. SK
      300 Powerglide, A.C., H.P. SL
           
Chevy II/Nova 200-400 283 195 (RPO L32) 4-speed CF
        4-speed, A.C. CG
        3-speed CH
        3-speed, A.C. CJ
        Powerglide DE
        Powerglide, A.C. DF
  Special Models ***   220 Manual CR
        Manual, A.C. CS
        Powerglide, A.C. DH
        Powerglide DL
           
Chevelle 54-56-5800 283 195 3-speed J
        4-speed JA
        Powerglide JD
      220 (RPO L77) Powerglide, 4-bbl JG
        Manual, 4-bbl JH
    327 250 (RPO L30) Manual, 4-bbl JQ
      300 (RPO L74) Manual, 4-bbl, H.P. JR
      365 Manual, 4-bbl, S.H.P. (COPO) JS **
      250 Manual, T.I. JT
        Powerglide SR
      300 Powerglide, 4-bbl, H.P. SS
           
* Not verified
** Reportedly built but none were reported as sold although some test cars may have gotten out the door.
*** These were built for service conversion but may have been factory installed late in 1964
A.C. - Air Conditioning
F.I. - Fuel Injection
H.P. - High Performance
S.H.P. - Special High Performance
T.I. - Transistor Ignition
 
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1964 Chevrolet 327/365 Horsepower RPO L84
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1964 Chevelle 293/195 Horsepower Base 283
 


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