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Chevrolet V8 Engine ID Codes

1969

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Model Model No. CID H.P. (RPO Code) Trans/Options Suffix
Passenger 154/164/16600 327 235 Manual FA
        Powerglide FB
        Turbo Hydra-Matic 350 FC
        Police FG
        Turbo Hydra-Matic 400 FH
        Low Compression FM
        Powerglide, low compression FN
        Manual, Taxi FY
        Powerglide, Police/Taxi FZ
        Turbo Hydra-Matic 350, Police GA
        Turbo Hydra-Matic 400, Taxi GB
    350 300 (RPO L48) Manual, H.P. HG
        Turbo Hydra-Matic 400, H.P. HH
      250 (RPO L65) Manual, 2-bbl HI
        Turbo Hydra-Matic 400, 2bbl HJ
      300 Powerglide, H.P. HK
      250 Powerglide, 2-bbl HL
        Turbo Hydra-Matic 350, 2-bbl HM
      300 Turbo Hydra-Matic 350, H.P. HN
        H.D. Clutch (RPO MA6, cancelled 3/3/69) HO
      255 (RPO LM1) Manual HT
        Powerglide HU
        Turbo Hydra-Matic 350 HV
        Turbo Hydra-Matic 400 IA
      300 Turbo Hydra-Matic 400, RHD IB
      255 Manual, 2-bbl, Police IL
        Powerglide, 2-bbl, Police IM
      250 Turbo Hydra-Matic 350, 2-bbl, Police IN
      255 Turbo Hydra-Matic 400, 2-bbl, Police, Taxi IP
      300 H.D. Clutch (RPO MA6, cancelled 3/3/69), Police IQ
        Manual, Police IR
        Powerglide, Police IS
        Turbo Hydra-Matic 350, Police IT
        Turbo Hydra-Matic 400, Police IV
      255 Manual, Police IW
        Powerglide, Police IX
        Turbo Hydra-Matic 350, Police IY
        Turbo Hydra-Matic 400, Police IZ
    396 265 (RPO L66) Manual, 2-bbl JN
        Turbo Hydra-Matic 400, 2-bbl, Police JO
        2-bbl, Police JP
        Turbo Hydra-Matic 400, 2-bbl JQ
        H.D. Clutch, Police JR
        H.D. Clutch JT
    427 390 (RPO L36) Manual, H.P. LA
      335 (RPO LS1) Manual LB
      390 Turbo Hydra-Matic 400, H.P. LC
      425 (RPO L72) Manual, S.H.P. LD
      335 Turbo Hydra-Matic 400, 4-bbl LE
      390 Turbo Hydra-Matic 400, H.P., Police LF
        Manual, H.P., Police LG
        Manual, SS427, H.P. LH
        Turbo Hydra-Matic 400, SS427, H.P. LI
      335 Turbo Hydra-Matic 400, Police LJ
        Manual, 4-bbl, Police LK
      425 Turbo Hydra-Matic 400, S.H.P. LS
      335 Manual, Police, H.D. Clutch LY
      390 H.D. Clutch, Police, H.P. LZ
      335 Manual, H.D. Clutch MA
      390 Manual, H.D. Clutch, H.P. MB
        SS427, H.D. Clutch MC
      425 Manual, H.D. Clutch, S.H.P. MD
           
Corvette 19400 350 300 Manual, Rochester 4-bbl HY
        Turbo Hydra-Matic 400, Rochester 4-bbl HZ
        4-speed, Rochester 4-bbl, T.I. GC
        4-speed, Rochester 4-bbl, A.C., T.I. GD
      350 (RPO L46) 4-speed, Rochester 4-bbl, Special Cam HW
        4-speed, Rochester 4-bbl, Special Cam, A.C. HX
    427 390 (RPO L36) Turbo Hydra-Matic 400, Rochester 4-bbl, Hydraulic Cam LL
        4-speed, Rochester 4-bbl, Hydraulic Cam LM
        4-speed, Rochester 4-bbl, T.I. MH
        Turbo Hydra-Matic 400, Rochester 4-bbl, T.I. MI
      400 (RPO L68) Turbo Hydra-Matic 400, Holley 3x2-bbl LN
        4-speed, Holley 3x2-bbl LQ
        Turbo Hydra-Matic 400, Holley 3x2-bbl, T.I. MJ
        4-speed, Holley 3x2-bbl, T.I. MK
      430 (RPO L88) M22 4-speed, Holley 4-bbl LO
        Turbo Hydra-Matic 400, Holley 4-bbl LV
        M22 4-speed, ZL1 Performance package (L88) ME
        Turbo Hydra-Matic 400, ZL1 Performance package (L88) MG
        M22 4-speed, Holley 4-bbl MR
      435 (RPO L71) 4-speed , L71, Aluminum heads LP
        4-speed, Mechanical Cam, Holley 3x2-bbl LR
        4-speed, Mechanical Cam, Holley 3x2-bbl, H.D. Clutch LT
        4-speed, L71, Aluminum heads, H.D. Clutch LU
        Turbo Hydra-Matic 400, L71, Aluminum heads LW
        Turbo Hydra-Matic 400m Mechanical Cam, Holley 3x2-bbl LX
        COPO, unknown MS
           
Nova 11400 307 200 Manual DA
        Powerglide DC
        Turbo Hydra-Matic 350 DD
        4-speed DE
    350 300 (RPO L48) Manual HA
        Turbo Hydra-Matic 350 HB
      250 (RPO L65) Manual, 2-blbl HC
        Turbo Hydra-Matic 350, 2-bbl HD
      300 Powerglide HE
      250 Powerglide, 2-bbl HF
      300 H.D. Clutch (RPO MA6, cancelled 3/3/69) HP
      255 (RPO LM1) Manual HQ
        Powerglide HR
        Turbo Hydra-Matic 350 HS
    396 350 (RPO L34) Manual JF
      375 (RPO L78) 4-speed, S.H.P. JH
      350 Turbo Hydra-Matic 400, H.P. JI
      375 Turbo Hydra-Matic 400, H.P. JL
      350 H.D. Clutch KA
      375 4-speed, S.H.P., H.D. Clutch KC
        Manual, A.C., S.H.P. ZJ
           
Chevelle 132/134/136/13800 307 200 Manual DA
        Powerglide DC
        Turbo Hydra-Matic 350 DD
        4-speed DE
        Manual, Low Compression DL
        Powerglide, Low Compression DM
    350 300 (RPO L30) Manual, H.P. HA
        Turbo Hydra-Matic 350, H.P. HB
      250 (RPO L73) Manual, 2-bbl HC
        Turbo Hydra-Matic 350, 2-bbl HD
      300 Powerglide, H.P. HE
      250 Powerglide, 2-bbl HF
      300 H.D. Clutch, H.P. HP
      255 Manual HQ
        Powerglide HR
        Turbo Hydra-Matic 350 HS
    396/402 325 (RPO L35) H.D. 3-speed or 4-speed, A.I.R. JA/CJA
      350 (RPO L34) H.D. 3-speed or 4-speed, H.P., A.I.R. JC/CJC
      375 (RPO L78) H.D. 3-speed or 4-speed, S.H.P., A.I.R. JD/CJD
      350 Turbo Hydra-Matic 400, H.P. , A.I.R. JE/CJE
      325 Turbo Hydra-Matic 400, C.C.S. JK/CJK
      325 H.D. Clutch, A.I.R. JV/CJV
      350 H.D. Clutch, H.P., A.I.R. KB/CKB
      375 H.D. Clutch, S.H.P., A.I.R. KD/CKD
        Turbo Hydra-Matic 400, S.H.P , A.I.R. KF/CKF
        4-speed, S.H.P., Aluminum heads (L89), A.I.R. KG/CKG
        Turbo Hydra-Matic, S.H.P., Aluminum heads (L89), A.I.R. KH/CKH
        H.D. Clutch, S.H.P., Aluminum heads (L89), A.I.R. KI/CKI
    427 425 (COPO) 4-speed, COPO 9562, A.I.R. MQ
        Turbo Hydra-Matic, COPO 9562, A.I.R. MP
           
Camaro 12400 302 290 (part of RPO Z28) 4-speed, S.H.P., A.I.R. DZ
    307 200 Manual DA
        Powerglide DC
        Turbo Hydra Matic 350 DD
        4-speed DE
    327 210 Manual, 2-bbl FJ
        Powerglide, 2-bbl FK
        Turbo Hydra Matic 350, 2-bbl FL
        Low Compression FS
        Powerglide, Low Compression FT
    350 300 (RPO L48) Manual, H.P. HA
        Turbo Hydra Matic 350, H.P. HB
      250 (RPO L65) Manual, 2-bbl HC
        Turbo Hydra Matic 350, 2-bbl HD
      300 Powerglide, H.P. HE
      250 Powerglide, 2-bbl HF
      300 H.D. Clutch, H.P. HP
      255 (RPO LM1) 3, - 4-speed HQ
        Powerglide HR
        Turbo Hydra Matic 350 HS
    396/402 325 (RPO L35) Manual JB/CJB
      350 (RPO L34) Manual, H.P. JF/CJF
      325 Turbo Hydra Matic 400 JG/CJG
      375 (RPO L78) Manual, S.H.P. JH/CJH
      350 Turbo Hydra Matic 400, H.P. JI/CJI
      375 4-speed, Aluminum heads, S.H.P. JJ/CJJ
        Turbo Hydra Matic 400, S.H.P. JL/CJL
        Turbo Hydra-Matic, Aluminum heads, S.H.P. JM/CJM
      325 Manual, H.D. Clutch JU/CJU
      350 Manual, H.D. Clutch, H.P. KA/CKA
      375 Manual, H.D. Clutch, S.H.P. KC/CKC
        Aluminum heads, H.D. Clutch KE/CKE
        4-speed KL/CKL
    427 425 (COPO) COPO 9561, 4-speed, (ZL1), S.H.P. MN
        COPO 9561,  Turbo Hydra-Matic 400 (ZL1), S.H.P. MO
      430 (COPO) COPO 9560, 4-speed, (ZL1), S.H.P. ML
        COPO 9560,  Turbo Hydra-Matic 400 (ZL1), S.H.P. MM
      no rating COPO 9567 MV
        COPO 9567 MX
           

A.C. - Air Conditioning
A.I.R. - Air Injection Reactor
C.C.S. - Controlled Combustion System

COPO - Central Office Production Order
H.D. - H.D.
H.P. - High Performance
P.S. - Power Steering
RHD - Right-Hand Drive

S.H.P. - Special High Performance
T.I. - Transistor Ignition
 
Late 1969 saw the 396 cid engine increase to 402 cid via an increase of 0.032-inch cylinder bore from 4.094 to 4.126. These engines can be identified by a 3-letter suffix code noting the same horsepower and transmission type. For example a 396 with the suffix code JA would be stamped with CJA.

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A few things should be mentioned about the 1969/1970 396/402 cid engines. Towards the end of the model year the 396 cid engine was increased to 402 cid. Rumors abound for the reason of the 402 cid existence. One is that Tonawanda has a lot of bare blocks rusting away and decided to bore them +0.032 to clean them up. That's just crap and GM wouldn't do this.

It is believed the increase in bore size was done in preparation of 1970 (when all "396" cid engines were really 402 cid) because engines over 400 cid had lower restrictions on smog regulations. Whatever the reason the 'new' 402 would become the base engine in the 1970 SS396 option even though it was the larger 402 cid engine size.

GM had a lot of marketing invested in the "SS 396" moniker and kept it for the 1970 model year. This 402 cid engine was also used from 1970-1972 as RPO LS3 and referred to as either a 400-4 or a Turbo-Jet 400 to distinguish it from a newly introduced 400 cid small block V8 referred to as either a 400-2 (as it was only available with a 2-barrel carburetor) or a Turbo-Fire 400. The small block version of the 400 cid engine was only available in full size Chevrolets and the 1970 Monte Carlo.
 
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1969 Chevelle 427/425 Horsepower RPO L72 - COPO		 © ChevyWorld
1969 Corvette 427/430 Horsepower RPO ZL1


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