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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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