1966 thru 1975 Q-Jets | 1975 and Later Q-Jets |  |
Example: 7042243 | Example: 17057262 | |
| 7042243 (1972 Buick, Manual Trans) | 17057262 (1977 Pontiac, Auto Trans) | |
| 70 1966-1975 | 170 1976 and Later | |
| | |
| 7042243 (Decade ID) | 17057262 (Decade ID) | |
| 2 1966 thru 1969 | 2 1966 thru 1969 | |
| 3 1966 thru 1969 California only | 3 1966 thru 1969 California only | |
| 4 1970 thru 1975 | 4 1970 thru 1975 | |
| 5 1975 thru 1979 | 5 1975 thru 1979 | |
| 8 1980's | 8 1980's | |
| | |
| 7042243 (Year ID) | 17057262 (Year ID) | |
| 6 1966 | 6 1976 | |
| 7 1967 | 7 1977 | |
| 8 1968 | 8 1978 | |
| 9 1969 | 9 1979 | |
| 0 1970 | 0 1980 | |
| 1 1971 | 1 1981 | |
| 2 1972 | 2 1982 | |
| 3 1973 | 3 1983 | |
| 4 1974 | 4 1984 | |
| 5 1975 | 5 1975 | |
| | |
| 7042243 (Model) | 17057262 (Model) | |
| 2 4bbl, Q-Jet | 2 4bbl, Q-Jet | |
| 5 4bbl, Q-Jet California only | 5 4bbl, Q-Jet California only | |
| | |
| 7042243 (Division) | 17057262 (Division) | |
| 0, 1, 2 Chevrolet | 0, 1, 2 Chevrolet | |
| 3 Cadillac | 3 Cadillac | |
| 4 Buick | 4 Buick | |
| 5 Oldsmobile | 5 Oldsmobile | |
| 6, 7 Pontiac | 6, 7 Pontiac | |
| | |
| 7042243 (Transmission*) | 17082162 (Transmission*) | |
| 0, 2, 4, 6, 8 (Even Numbers) Automatic Transmission | 0, 2, 4, 6, 8 (Even Numbers) Automatic Transmission | |
| 1, 3, 5, 7, 9 (Odd Numbers) Manual Transmission | 1, 3, 5, 7, 9 (Odd Numbers) Manual Transmission | |
| | |
* Note: Odd/Even Transmission code not always accurate
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