| Location E - Engine Production Code |
| F - Flint |
T - Tonowanda |
| S - Saginaw |
V - Flint Engine Plant |
| K - McKinnon Industries |
|
| 1-12 Month Production Code |
| 1 - January |
7 - July |
| 2 - February |
8 - August |
| 3 - March |
9 - September |
| 4 - April |
10 - October |
| 5 - May |
11 - November |
| 6 - June |
12 - December |
| 01-31 Day of Month |
| 1967 Engine Codes: |
| LA - 230 6 cylinder w/man trans |
LB - 230 6 cylinder w/man trans & CAC |
| LC - 230 6 cylinder with A.I.R |
LD - 230 6 cylinder with/A.I.R & CAC |
| LE - 230 6 cylinder w/powerglide |
LF - 230 6 cylinder w/powerglide & CAC |
| LG - 230 6 cylinder w/powerglide & A.I.R. |
LH - 230 6 cylinder w/powerglide, A.I.R &
CAC |
| LN - 250 6 cylinder with man. trans |
LO - 250 6 cylinder w/man trans & CAC |
| LP - 250 6 cylinder with A.I.R |
LQ - 250 6 cylinder w/A.I.R. & CAC |
| FM - 250 6 cylinder w/powerglide |
FR - 250 6 cylinder w/ PG & CAC |
| GP - 250 6 cylinder w/ powerglide & A.I.R. |
GQ - 250 6 cylinder w/PG, A.I.R. & CAC |
| MD - 283 2 bbl w/4-speed trans |
MJ - 283 2 bbl w/powerglide |
| MO - 302 4 bbl with 4-speed trans (Z28) |
MP - 302 4 bbl w/4-spd trans & A.I.R. (Z28) |
| MA - 327 2 bbl with man trans |
MB - 327 2bbl w/A.I.R. |
| ME - 327 2bbl w/powerglide |
MF - 327 2bbl w/ PG & A.I.R. |
| MK - 327 4bbl w/man trans |
ML - 327 4bbl with A.I.R. |
| MM - 327 4bbl with powerglide |
MN - 327 4bbl with PG & A.I.R. |
| MS - 350 with manual trans |
MT - 350 with A.I.R. |
| MU - 350 with powerglide |
MV - 350 with powerglide & A.I.R. |
| EI - 396 high performance |
EQ - 396 high perf w/3-spd auto trans |
| EY - 396 high perf with A.I.R. |
MQ - 396 special high performance |
| MR - 396 special high per with A.I.R. |
MW - 396 manual with automatic trans |
| MX - 396 with A.I.R. |
MY - 396 w/3-spd auto trans |
| MZ - 396 with 3-spd auto & A.I.R. |
|
| |
|
| 1968 Engine Codes: |
| BA - 230 6 cylinder man. trans |
BB - 230 6 cylinder HD clutch & CAC |
| BC - 230 6 cylinder HD clutch |
BD - 230 6 cylinder with CAC |
| BF - 230 6 cylinder w/powerglide |
BH - 230 6 cylinder w/powerglide & CAC |
| CM - 250 6 cylinder man trans |
CN - 250 6 cylinder with CAC |
| CQ - 250 6 cylinder w/powerglide |
CR - 250 6 cylinder w/powerglide & CAC |
| EE - 327 4bbl w/powerglide |
MA - 327 2 bbl with man trans |
| MO - 302 with man trans (Z28) |
MS - 350 man trans |
| ME - 327 2 bbl w/powerglide |
MQ - 396 Special High Performance |
| MU - 350 w/powerglide |
MT - 396 Special High Perf & alum heads |
| MR - 396 high perf w/3-spd auto trans |
MX - 396 High Performance |
| MW - 396 w/manual and auto trans |
MY - 396 w/3-spd auto trans |