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Small Block Chevy Suffix Codes: DTR - HQ
GM body designation. All these are identified here. Quickly, A = Chevelle, F = Camaro, X = Nova. If you're looking at the engine code - this is already known. If you're looking at the casting # information and it mentions 3970010 "A/F/X/Y/B".... basically this means "it's used in everything", whereas if it simply states "Y"... this means Corvette. 
  
| RPO | 
FY | 
CID | 
Appl | 
VIN | 
HP | 
BBLS | 
Body/Comments | 
 
| DTR | 1979 | 305 | a/t | G LG3 | 130 | 2 | F |  
| DTS | 1979 | 305 | a/t | H LG4 | 160 | 4 | G |  
| DTU | 1979 | 305 | a/t | H LG4 | 160 | 4 | G |  
| DTX | 1979 | 305 | a/t | H LG4 | 160 | 4 | G |  
| DTY | 1979 | 305 | auto trans. | G LG3 | 130 | 2 | full size |  
| DTZ | 1979 | 305 | auto trans. | G LG3 | 130 | 2 | full size |  
| DUA | 1983 | 305 | T.B.I. | S | - | - | Parisien |  
| DUA | 1983 | 305 | LU5, twin T.B.I | 7 | 165 | TBI | Z-28/T/A |  
| DUB | 1979 | 350 | auto trans. | L LM1 | 170 | 4 | full size |  
| DUC | 1979 | 350 | auto trans. | L LM1 | 170 | 4 | full size |  
| DUC | 1983 | 350 | a/t | 6 | 200 | 4 | police/special |  
| DUD | 1979 | 350 | auto trans. | L LM1 | 170 | 4 | police/high perf. |  
| DUF | 1979 | 350 | auto trans. | L LM1 | 170 | 4 | G |  
| DUH | 1979 | 350 | auto trans. | L LM1 | 170 | 4 | G |  
| DUJ | 1979 | 350 | auto trans. | L LM1 | 165 | 4 | G |  
| DUK | 1983 | 305 | LU5, twin T.B.I | 7 | 165 | TBI | Firebird |  
| DUK | 1983 | 305 | O.D. auto trans | H LG4 | 160 | 4 | Parisien |  
| DVA | 1983 | 305 | O.D. auto trans | H LG4 | 160 | 4 | Parisien |  
| DWA | 1979 | 305 | O.D. auto trans | H LG4 | 160 | 4 | G |  
| DWB | 1979 | 305 | O.D. auto trans | H LG4 | 160 | 4 | G |  
| DWT | 1983 | 305 | LU5, twin T.B.I | 7 | 165 | TBI | Firebird |  
| DXA | 1979 | 305 | autotrans. | G LG3 | 130 | 2 | full size |  
| DZ | 1968 | 302 | Z-28, late prod | Z28 | 290 | 4 | F |  
| DZ | 1969 | 302 | m/t, 4 spd | Z28 | 290 | 4 | F |  
| E | 1957 | 283 | manual trans. | - | 185 | 2 | Vette/truck |  
| E | 
1960 | 283 | turglide |  - | 170 | 2 | B Y/truck |  
| EA | 
1957 | 283 | - | - |   | 8 | full size |  
| EA | 
1965 | 327 | manual trans. | - | 250 | - | A X |  
| EB | 
1957 | 283 | hi lift cam | - | - | 8 | full size |  
| EB | 
1958 | 283 | turglide | - | 230 | 4 | truck/1271 |  
| EB | 
1965 | 327 | high performance | - | 300 | - | Chevelle |  
| EC | 
1957 | 283 | turglide | - | - | FI | B/truck |  
| EC | 
1965 | 327 | Special high perf. | - | 300 | 4 | Chevelle |  
| EC | 
1966 | 327 | A.I.R., glide | - | 275 | 4 | Chevelle/1200 |  
| ED | 
1958 | 283 | turglide, air susp. | - | - | - | full size |  
| ED | 
1965 | 327 | transistor ign. | - | - | - | Chevelle |  
| ED | 
1967 | 327 | m/t, h.d. clutch | - | 275 | 4 | Chevelle |  
| EE | 
1965 | 327 | Powerglide |   | 250 | 4 | Chevelle |  
| EE | 
1968 | 327 | Powerglide |   | 275 | 4 | A X |  
| EE | 
1969 | 350 | Powerglide |   | 255 | - | El Cam |  
| EF | 
1957 | 283 | m/t, 3 spd |   | 220 | 4 | Vette |  
| EF | 
1958 | 283 | turglide, air susp. |   | - | 4 | full size/1200 |  
| EF | 
1965 | 327 | Powerglide, hi perf. | - | 300 | 4 | Chevelle |  
| EG | 
1957 | 265 | 2 4b,hi-lift cam,m/t | - | 270 | 8 | Vette |  
| EG | 
1959 | 283 | turglide, a/c | - | - | - | full size |  
| EG | 
1960 | 283 | turglide | - | 170 | 2 | truck/1100 |  
| EH | 
1957 | 265 | twin 4 barrel, m/t | - | 245 | 8 | Vette |  
| EH | 
1959 | 283 | turg,air susp., a/c |   |  - | - | full size |  
| E | 1968 | 327 | manual trans. |   | 250 | 4 | El Cam |  
| EI | 1968 | 327 | Powerglide | - | 250 | 4 | Chevelle |  
| EI | 1968 | 327 | Powerglide | - | 275 | 4 | El Cam |  
| EJ | 1957 | 283 | - | - |   | FI | full size |  
| EJ | 1959 | 283 | turglide, a/c | - | - | 4 | full size |  
| EJ | 1959 | 283 | turglide | - | 230 | 4 | truck/1100 |  
| EJ | 1968 | 327 | m/t, h.d. clutch | - | 275 | 4 | Chevelle/3200 |  
| EK | 1957 | 283 | hi lift cam |   |   | FI | full size |  
| EK | 1959 | 283 | turg, air susp., a/c |   | - | 4 | fullsize |  
| EL | 1957 | 283 | m/t, 3 sp, h/I cam |   | 283 | FI | Vette |  
| EM | 1957 | 283 | m/t, 3 spd |   | 250 | FI | Vette |  
| EO | 1968 | 327 | mlt, h.d. clutch |   | 275 | 4 | Chevelle |  
  | EP | 
  1967 | 327 | spec. hi perf., m/t |   | 325 | 4 | A X |  
  
    | EQ | 
    1967 | 327 | m/t, h.d. clutch |   | 275 | 4 | Chevelle/Camaro |  
  | ER | 
  1967 | 327 | s h/p, A.I.R. H.D.c |   | 325 | 4 | Chevelle |  
  
    | ES | 
    1967 | 327 | sp hi perf, H.D. clu |   | 325 | 4 | Chevelle |  
| F | 1955 | 265 | Powerglide |   | - | 2 | car |  
| F | 1957 | 283 | Powerglide |   | - | 2 | cars & Vette |  
| FA | 1956 | 265 | m/t |   | 155 | 2 | truck/3100 |  
  | FA | 
  1957 | 283 | Powerglide, a/c |   | - | - | car |  
    | FA | 
    1969 | 327 | manual trans. |   | 235 | 2 | full size |  
  | FB | 
  1955 | 265 | Power Pack, glide |   | 155 | 4 | car & truck |  
  | FB | 
  1969 | 327 | Powerglide |   | 235 | 2 | full size |  
  | FC | 
  1955 | 265 | Powerglide, a/c |   | - | - | car |  
  | FC | 
  1957 | 283 | Powerglide |   | - | 4 | car |  
  | FC | 
  1969 | 327 | tur hydro trans. |   | 235 | 2 | B F |  
  | FD | 
  1955 | 265 | glide, 2 exh a/c |   | 180 | 4 | car |  
  | FD | 
  1957 | 283 | Powerglide |   | - | 8 | car |  
  | FE | 
  1957 | 283 | Powerglide, a/c |   | 220 | 4 | cars & truck |  
  | FE | 
  1955 | 265 | m/t |   | 145 | 2 | truck/3600 |  
  | FEA | 
  1955 | 265 | m/t |   | 145 | 2 | truck/3600 |  
  | FEA | 
  1957 | 265 | m/t |   | 245 | 8 | truck/1500 |  
  | FEB | 
  1955 | 265 | m/t |   | 145 | 2 | truck/3800 |  
    | FEB | 
    1957 | 283 | m/t |   | 270 | 8 | truck/1500 |  
  | FEC | 
  1957 | 283 | m/t, O.D. |   | 220 | 2 | truck/1500 |  
  | FEJ | 
  1957 | 283 | m/t |   | 250 | FI | truck/1500 |  
  | FEK | 
  1957 | 283 | m/t |   | 283 | FI | truck/1500 |  
  | FF | 
  1955 | 265 | a/t |   | 162 | 2 | truck/1500 |  
  | FF | 
  1957 | 283 | Powerglide |   | 185 | 2 | truck/1500 |  
  | FFA | 
  1957 | 283 | Powerglide |   | 185 | 2 | truck/1500 |  
  | FFB | 
  1955 | 265 | a/t |   | 180 | 4 | truck/1500 |  
  | FFB | 
  1956 | 265 | a/t |   | 205 | 4 | truck/1500 |  
  | FFC | 
  1955 | 265 | a/t |   | 162 | 2 | truck/1500 |  
  | FFC | 
  1957 | 283 | Powerglide |   | 220 | 4 | truck/1500 |  
  | FFD | 
  1955 | 265 | a/t |   | 180 | 4 | truck/1500 |  
  | FFD | 
  1956 | 265 | a/t |   | 205 | 4 | truck/1500 |  
  | FFD | 
  1957 | 283 | Powerglide |   | 245 | 8 | truck/1500 |  
  | FFE | 
  1957 | 283 | Powerglide |   | 220 | 4 | truck/1500 |  
  | FFJ | 
  1957 | 283 | Powerglide |   | 250 | FI | truck/1500 |  
  | FG | 
  1955 | 265 | Powerglide |   | 162 | 2 | cars |  
  | FG | 
  1955 | 265 | Powerglide |   | 195 | 4 | Vette |  
  | FG | 
  1955 | 265 | m/t |   | 162 | 2 | truck/1500 |  
  | FG | 
  1956 | 265 | Powerglide |   | 225 | 4 | Vette |  
  | FG | 
  1956 | 265 | m/t |   | 162 | 2 | truck/1500 |  
  | FG | 
  1957 | 283 | glide, 2 4b, a/t |   | 245 | 8 | Vette |  
  | FG | 
  1957 | 283 | turglide |   | 185 | 2 | truck/1500 |  
  | FG | 
  1969 | 327 |   |   |   |   | police/full size |  
  | FGC | 
  1955 | 265 | m/t, O.D. |   | 162 | 2 | truck/1500 |  
  | FGC | 
  1956 | 265 | m/t, O.D. |   | 205 | 4 | truck/1500 |  
  | FGC | 
  1957 | 283 | turglide |   | 220 | 4 | truck/1500 |  
  | FGD | 
  1955 | 265 | m/t |   | 180 | 4 | truck/1500 |  
  | FGD | 
  1957 | 283 | turglide |   | 245 | 4 | truck/1500 |  
  | FGE | 
  1955 | 265 | m/t, O.D. |   | 180 | 4 | truck/1500 |  
  | FGE | 
  1956 | 265 | m/t, O.D. |   | 205 | 4 | truck/1500/Camaro |  
  | FGF | 
  1955 | 265 | m/t |   | 162 | 2 | truck/1500 |  
  | FGF | 
  1957 | 283 | turglide |   | 250 | FI | truck/1500 |  
  | FGG | 
  1955 | 265 | m/t |   | 180 | 4 | truck/1500 |  
  | FGJ | 
  1955 | 265 | m/t |   | 162 | 2 | truck/1500 |  
  | FGJ | 
  1956 | 265 | m/t |   | 180 | 4 | truck/1500 |  
  | FGK | 
  1955 | 265 | m/t |   | 162 | 2 | truck/1500-3800 |  
  | FGL | 
  1955 | 265 | m/t |   | 180 | 4 | truck/1500-3800 |  
  | FGL | 
  1956 | 265 | m/t |   | 205 | 4 | truck/1500 & 3200 |  
  | FGM | 
  1955 | 265 | m/t |   | 180 | 4 | truck/1500 |  
  | FGM | 
  1956 | 265 | m/t |   | 205 | 4 | truck/1500 |  
  | FH | 
  1957 | 283 | Powerglide |   | 220 | 4 | Vette |  
  | FH | 
  1969 | 327 | tur hydro trans. |   | 235 | 2 | B F |  
  | FJ | 
  1957 | 283 | Powerglide, a/t |   | 250 | FI | cars & Vette |  
  | FJ | 
  1969 | 327 | m/t |   | 210 | 2 | B F Vette |  
  | FK | 
  1957 | 265 | Powerglide |   | - | FI | Vette |  
  | FK | 
  1969 | 327 | Powerglide |   | 210 | 2 | full size |  
  | FL | 
  1969 | 327 | tur 350 |   | 210 | 2 | full size |  
  | FLA | 
  1957 | 265 | m/t |   | 162 | 2 | truck/3100/police |  
  | FLB | 
  1957 | 265 | H. D. m/t |   | 162 | 2 | truck/3100 |  
  | FM | 
  1956 | 265 | m/t |   | 155 | 2 | truck/3100 |  
  | FMA | 
  1956 | 265 | m/t |   | 155 | 2 | truck/3600 |  
  | FMB | 
  1956 | 265 | m/t |   | 155 | 2 | truck/3800 |  
  | FY | 
  1969 | 327 | m/t, taxi |   | - | - | full size |  
  | FZ | 
  1969 | 327 | Powerglide, taxi |   | - |   | full size |  
  | G | 
  1955 | 265 | man trans, 3 spd |   | - | - | cars |  
  | G | 
  1957 | 283 | turglide |   | - | 2 | full size |  
  | GA | 
  1965 | 283 | 3 spd trans. std |   | 195 | 2 | full size |  
  | GB | 
  1969 | 327 | tur 400, taxi |   | 195 | 2 | full size |  
  | GC | 
  1955 | 265 | overdrive |   | - | - |   | > 
  | GC | 
  1965 | 283 | m/t, 4 sp, H. D. chass |   | 195 | 2 | full size |  
  | GD | 
  1957 | 283 | turglide |   | - | 8 | car |  
  | GE | 
  1956 | 265 | o/d, Power Pack |   | 205 | - | car |  
  | GE | 
  1969 | 350 | Powerglide |   | - | - | full size |  
  | GF | 
  1955 | 265 | m/t, 3 spd, a/c |   | - | - |   |  
  | GF | 
  1957 | 283 | turglide |   |   | FI | car |  
  | GF | 
  1965 | 283 | Powerglide |   | 195 | 2 | full size |  
    | GJ | 
    1955 | 265 | H.D. clutch |   | - | - |   |  
      | GK | 
      1955 | 265 | H.D. clutch, a/c |   | - | - | car |  
        | GK | 
        1965 | 283 | a/c |   | 195 | 4 | full size |  
          | GL | 
          1955 | 265 | Power Pack, m/t |   | - | 4 | car |  
  | GL | 
  1965 | 283 | glide |   | - | 4 | full size |  
  | GM | 
  1955 | 265 | Pwr Pack, a/c, m/t |   | - | 4 | car |  
    | GN | 
    1955 | 265 | Pwr Pack, o/d, a/c |   | - | 4 | car |  
  | GO | 
  1967 | 283 | glide, A.I.R. |   | 195 | 2 | full size/Camaro |  
    | GQ | 
    1955 | 265 | o/d, a/c |   | - | - | car |  
      | GR | 
      1955 | 265 | m/t, 3 spd |   | 195 | 4 | Vette |  
        | GR | 
        1956 | 265 | m/t, 3 spd |   | 225 | 8 | Vette |  
  | GS | 
  1966 | 283 | 4 spd, air cond. |   | 195 | 2 | full size/Camaro |  
    | GT | 
    1966 | 283 | A.I.R., glide |   | 195 | 2 | full size |  
  | GU | 
  1967 | 283 | m/t, H.D. clutch |   | 240 | 8 | cars/Vette/Camaro |  
  | GV | 
  1956 | 265 | Powerglide |   | 210 | 4 | Vette |  
  | GW | 
  1966 | 283 | - |   | - | 4 | full size |  
  | GX | 
  1966 | 283 | A.I.R. |   |   | 4 | full size/Camaro |  
  | GZ | 
  1966 | 283 | A.I.R., glide | - | - | 4 | full size |  
  | HA | 
  1965 | 327 | 4 spd tran. std |   | 275 | 4 | full size/Camaro |  
  | HA | 
  1969 | 350 | manual trans |   | 300 | 4 | A F X |  
  | HB | 
  1965 | 327 | std trans., hi perf. |   | 300 | 4 | full size |  
  | HB | 
  1967 | 327 | A.I.R. |   | 275 | 4 | full size/Camaro |  
  | HB | 
  1968 | 327 | H.D. clutch |   | 275 | 4 | full size |  
  | HB | 
  1969 | 350 | tur hydro trans. |   | 300 | 4 | A F X |  
  | HC | 
  1965 | 327 | Powerglide |   | 275 | 4 | full size |  
  | HC | 
  1969 | 350 | m/t |   | 250 | 2 | A F X |  
  | HD | 
  1965 | 327 | Powerglide, h/p |   | - | - | full size |  
  | HD | 
  1966 | 327 | a/c, spec high perf. |   | 350 | 4 | Vette |  
  | HD | 
  1969 | 350 | tur hydro trans. |   | 250 | 2 | A F X |  
  | HE | 
  1965 | 327 | m/t |   | 300 | 4 | Vette |  
  | HE | 
  1969 | 350 | Powerglide |   | 300 | 4 | A F X |  
  | HF | 
  1965 | 327 | h/p |   | 300 | 4 | Vette |  
  | HF | 
  1966 | 327 | Powerglide, A.I.R. |   | 275 | 4 | full size |  
  | HF | 
  1969 | 350 | Powerglide |   | 275 | 2 | A F X |  
  | HF | 
  1978 | 350 | LM1 |   | 170 | 4 | Firebird |  
  | HG | 
  1965 | 327 | fuel inject, m/t |   | 375 | FI | Vette |  
  | HG | 
  1968 | 327 | Powerglide |   | 250 | 2 | full size |  
  | HG | 
  1969 | 350 | manual trans. |   | 300 | 4 | full size |  
  | HH | 
  1965 | 327 | s h/p, m/t |   | 365 | 4 | Vette |  
  | HH | 
  1966 | 327 | air inj. reactor |   | 300 | 4 | Vette |  
  | HH | 
  1969 | 350 | tur 400 |   | 300 | 4 | full size |  
  | HI | 
  1965 | 327 | a/c, m/t |   | 250 | 4 | Vette |  
  | HI | 
  1968 | 327 | m/t |   | 250 | 4 | full size |  
  | HI | 
  1969 | 350 | - |   | 250 | 2 | full size/Phoenix |  
  | HJ | 
  1965 | 327 | h/p, a/c, m/t |   | 300 | 4 | Vette |  
  | HJ | 
  1968 | 327 | Powerglide |   | 250 | 4 | full size |  
  | HJ | 
  1969 | 327 | tur 400 |   | 250 | 2 | full size |  
  | HJ | 
  1969 | 350 | tur 400 |   | 250 | 2 | full size |  
  | HJ | 
  1978 | 350 | LM1 |   | 170 | 4 | Firebird |  
  | HK | 
  1965 | 327 | s h/p, a/c, m/t |   | 365 | 4 | Vette |  
  | HK | 
  1968 | 327 | Powerglide |   | 250 | 4 | full size |  
  | HK | 
  1969 | 350 | Powerglide |   | 300 | 4 | full size |  
  | HL | 
  1965 | 327 | trans ign, m/t |   | 365 | 4 | Vette |  
  | HL | 
  1968 | 327 | m/t, H.D. clutch |   | 250 | 4 | full size |  
  | HL | 
  1969 | 350 | Powerglide |   | 250 | 2 | full size |  
  | HL | 
  1978 | 350 | LM1 |   | 170 | 4 | Firebird |  
  | HM | 
  1965 | 327 | a/c, trans ign, m/t |   | 365 | 4 | Vette/Chevy II |  
  | HM | 
  1968 | 327 | tur hydramatic |   | 250 | 4 | full size |  
  | HM | 
  1969 | 350 | a/t |   | 250 | 2 | full size/Chevy II |  
  | HN | 
  1965 | 327 | t/ign., m/t |   | 375 | FI | Vette |  
  | HN | 
  1968 | 327 | Pwrglide, reg gas |   | - | 4 | full size/Chevy II |  
  | HN | 
  1969 | 327 | tur 350 |   | - | - | full size |  
  | HN | 
  1969 | 350 | tur hydramatic |   | 300 | 4 | full size |  
  | HO | 
  1965 | 327 | Powerglide |   | 300 | 4 | Vette |  
  | HO | 
  1969 | 350 | - |   | 300 | 4 | B |  
  | HP | 
  1965 | 327 | Powerglide, h/p |   | 300 | 4 | Vette |  
  | HP | 
  1969 | 350 | m/t |   | 300 | 4 | A B F X |  
    | HQ | 
    1965 | 327 | Powerglide, a/c |   | 250 | 4 | Vette |  
  | HQ | 
  1969 | 350 | manual trans. |   | 300 | 4 | A F X |  
 
  
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