The Engine Suffix Code is stamped on a block pad located immediately forward
of the right hand or passenger side cylinder head. The entire engine Code contains
the assembly plant, month and day along with the engine suffix Code. For help
go to
engine Code help
or
engine
decoding FAQ.
Chevy Small Block Engine Suffix Codes [L-S]
Code | Year | CID | HP | BBL | Appl |
M | 1958 | 283 | 160 | 2 | m/t |
MA | 1958 | 283 | 160 | 2 | H.D. m/t |
MA | 1963 | 283 | 175 | 2 | Powerglide |
MA | 1967 | 327 | 210 | 2 | manual trans. |
MA | 1968 | 327 | 210 | 2 | manual trans. |
MB | 1958 | 283 | 160 | 2 | m/t |
MB | 1968 | 307 | 200 | 2 | manual trans. |
MB | 1967 | 327 | 210 | 2 | a/c, A.I.R. |
MC | 1968 | 307 | 200 | 2 | - |
MC | 1978 | 350 | 170 | 4 | LM1 |
MD | 1967 | 283 | 195 | 2 | 4 spd trans. |
MD | 1968 | 307 | 200 | 2 | - |
ME | 1967 | 327 | 210 | 2 | Powerglide |
ME | 1968 | 327 | 210 | 2 | Powerglide |
MF | 1967 | 327 | 210 | 2 | Powerglide, A.I.R. |
MI | 1967 | 283 | ??? | 2 | Powerglide |
MI | 1968 | 302 | 290 | 4 | m/t, 4 spd |
MK | 1967 | 327 | 275 | 4 | manual trans |
ML | 1967 | 327 | 275 | 4 | air cond. |
ML | 1968 | 327 | 325 | 4 | s h/p |
MM | 1967 | 327 | 275 | 4 | Powerglide |
MM | 1968 | 327 | 275 | 4 | Powerglide |
MN | 1967 | 327 | 275 | 4 | Powerglide, A.I.R. |
MN | 1968 | 350 | 295 | 4 | - |
MO | 1968 | 302 | 290 | 4 | m/t,4 spd |
MO | 1967 | 302 | 290 | 4 | Spec. High Perf. 4-speed |
MP | 1967 | 283 | | 4 | A.I.R. |
MP | 1967 | 302 | 290 | 4 | Z-28, w/A.I.R. |
MS | 1967 | 350 | 295 | 4 | m/t |
MS | 1968 | 350 | 295 | 4 | m/t |
MT | 1967 | 350 | 295 | 4 | A.I.R. |
MU | 1967 | 350 | 295 | 4 | Powerglide |
MU | 1968 | 350 | 295 | 4 | Powerglide |
MV | 1967 | 350 | 295 | 4 | glide, A.I.R |
MX | 1964 | 283 | 175 | 2 | m/t |
MY | 1964 | 283 | 175 | 2 | Powerglide |
O3N | 1978 | 305 | 135 | 2 | LG3 |
O3T | 1978 | 350 | 170 | 4 | LM1 |
PB | 1965 | 283 | | 4 | glide, a/c |
PD | 1965 | 283 | | - | m/t |
PE | 1965 | 283 | 195 | 2 | - |
PF | 1965 | 283 | | - | a/c |
PF | 1965 | 283 | | - | air conditioning |
PG | 1965 | 283 | | 4 | a/c |
PH | 1978 | 305 | 145 | 2 | LG3 |
PK | 1965 | 283 | | 4 | Powerglide |
PL | 1965 | 283 | 195 | 2 | m/t, 4 speed |
PM | 1965 | 283 | 195 | 2 | m/t, 4 speed, a/c |
PN | 1965 | 283 | 195 | 2 | Powerglide |
PNA | 1998 | 346 | 305 | TPI | F, Auto, 320hp on SS |
PNC | 1998 | 346 | 305 | TPI | F, Manual, 320hp on SS |
PO | 1965 | 283 | | 4 | Powerglide |
PP | 1965 | 283 | 195 | 2 | Powerglide, a/c |
PQ | 1965 | 283 | 195 | 2 | a/6, Powerglide |
PS | 1966 | 283 | 195 | 2 | a/c, 4 spd, A.I.R. |
PU | 1966 | 283 | 195 | 2 | Pwrglide, a/c, EM |
PX4 | 1979 | 305 | 150 | 2 | a/t, LG3 |
PX6 | 1979 | 305 | 150 | 2 | a/t, LG3 |
PXP | 1979 | 305 | 150 | 2 | a/t, LG3 |
PXR | 1979 | 305 | 150 | 2 | a/t, LG3 |
PZ | 1978 | 305 | 145 | 2 | LG3 |
QA | 1966 | 283 | | - | glide. A.I.R. a/c |
QB | 1966 | 283 | | 4 | a/c |
QB | 1962 | 327 | ??? | 8 | - |
QC | 1966 | 283 | | 4 | A.I.R. |
QE | 1966 | 283 | | 4 | glide, A.I.R., a/c |
QF | 1966 | 283 | | 4 | A.I.R., a/c, 4 spd |
R | 1962 | 327 | 250 | - | m/t |
RA | 1962 | 327 | 250 | | m/t, a/c |
RB | 1962 | 327 | 300 | - | h/p, m/t |
RC | 1962 | 327 | 250 | 4 | m/t |
RD | 1962 | 327 | 300 | 4 | m/t, high perf. |
RE | 1962 | 327 | 340 | 4 | m/t, spec. hi perf. |
RF | 1962 | 327 | 360 | FI | manual trans. |
RK | 1963 | 327 | 300 | 4 | m/t, hi perf, a/c |
RP | 1964 | 327 | 250 | 4 | m/t, a/c |
RQ | 1964 | 327 | 300 | 4 | m/t a/c, hi perf |
RR | 1964 | 327 | 365 | 4 | m/t, a/c, s hi perf |
RT | 1964 | 327 | 365 | 4 | m/t, t/ign. |
RU | 1978 | 305 | 145 | 2 | LG3 |
RU | 1964 | 327 | 365 | 4 | m/t, a/c, trans ign |
RX | 1964 | 327 | 375 | FI | m/t, trans ign |
S | 1962 | 327 | 250 | - | Powerglide |
SA | 1962 | 327 | 250 | - | Powerglide, a/c |
SA | 1963 | 327 | 250 | - | Powerglide, a/c |
SAP | 1993 | 350 | 275 | TPI | F, Auto, oil cooler |
SAS | 1993 | 350 | 275 | TPI | F, Manual, Oil Cooler |
SAT | 1993 | 350 | 275 | TPI | F, Manual |
SAU | 1993 | 350 | 275 | TPI | F, Auto |
SB | 1962 | 327 | 300 | 4 | h/p, Powerglide |
SC | 1962 | 327 | 250 | 4 | Powerglide |
SD | 1962 | 327 | 350 | 4 | glide, s hi perf. |
SDA | 1984 | 305 | 150 | 4 | Roch E4ME carb. |
SDB | 1987 | 305 | 150 | 4 | Roch E4ME carb. |
SDD | 1987 | 305 | 190 | TPI | LB9 |
SDH | 1984 | 305 | 150 | 4 | Roch E4ME carb. |
SDJ | 1984 | 305 | 150 | 4 | Roch E4ME carb. |
SDK | 1987 | 305 | 190 | TPI | LB9 |
SDN | 1984 | 305 | 150 | 4 | Roch E4ME carb. |
SDR | 1984 | 305 | 150 | 4 | Roch E4ME carb. |
SDU | 1984 | 305 | 150 | 4 | Roch E4ME carb. |
SFD | 1987 | 305 | 190 | TPI | LB9 |
SFS | 1987 | 305 | 190 | TPI | LB9 |
SG | 1963 | 327 | 300 | 4 | glide, h/p, a/c |
SHA | 1999 | 346 | 305 | TPI | F, Auto, 320hp on SS |
SHB | 1999 | 346 | 305 | TPI | F, Manual, 320hp on SS |
SK | 1964 | 327 | 250 | 4 | Powerglide, a/c |
SL | 1964 | 327 | 300 | 4 | glide, a/c, hi perf. |
SNA | 1987 | 350 | 225 | TPI | L98, a/t |
SNJ | 1987 | 350 | 225 | TPI | L98, a/t |
SR | 1964 | 327 | 250 | | Powerglide |
SRL | 1987 | 305 | 190 | TPI | LB9 |
SS | 1964 | 327 | 300 | 4 | Pwrglide, hi perf. |
SUF | 1984 | 305 | 190 | 4 | HO E4ME carb |
SUH | 1984 | 305 | 190 | 4 | HO E4ME carb |
SUI | 1984 | 305 | 190 | 4 | HO E4ME carb |
SUJ | 1984 | 305 | 190 | 4 | HO E4ME carb |
SXA | 1984 | 305 | 190 | 4 | HO E4ME carb |
SXB | 1984 | 305 | 190 | 4 | HO E4ME carb, calif |