Head Cast # | Year | Displacement |
0619 | 92-94 | * |
2136 | 92-94 | * |
25524250 | 92-94 | * |
1254070 | 78-79 | 2BC |
1257051 | 75-79 | 2BC |
1257722 | 75-79 | 2BC |
25506293 | 83-87 | ***, 2BC, MFI |
2551092 | 84-86 | ***, MFI |
25518445 | 83-88 | ***, #, MFI, 2BC, 4BC, SFI, Turbo |
2551092 | 87-88 | **, #, SFI, |
25523030 | 87-88 | ***, **, SEFI |
25524248 | 87-88 | ***, **, #, ##, SEFI |
25527515 | 87-88 | ***, **, #, SEFI |
25533485 | 87-91 | **, ## |
25539723 | 87-91 | **, ## |
3485 | 87-91 | **, ## |
9723 | 87-91 | **, ## |
2550628 | 78-81 | 4BC Turbo |
1261377 | 78-87 | 2BC |
1262098 | 78-82 | 2BC |
25504443 | 78-87 | 2BC |
25505900 | 78-82 | 2BC |
2550629 | 78-81 | 2BC |
2552448 | 86-87 | SEFI |
1254170 | 75-77 | 2BC |
1257661 | 75-77 | 2BC |
4250 | 88-91 | ## |
4256 | 88-91 | ## |
*MFI, 3800 Supercharged, L67, Roller Cam **MFI, Roller Cam, Non Balance Shaft Engine ***MFI, Roller Cam #MPFI, Turbo, Gran National ##MFI, 3800, Roller Cam |
Block Cast # | Year | Displacement |
24502134 | 92-94 | * |
24502441 | 92-94 | * |
25532674 | 92-94 | * |
1254083 | 75-87 | ***, 2BC, 4BC, SFI, Turbo |
1255862 | 78-79 | 2BC |
1261438 | 75-79 | 2BC |
1261439 | 75-79 | 2BC |
1261785 | 78-87 | ***, 2BC, 4BC, SFI, Turbo |
1261787 | 78-87 | ***, 2BC, 4BC, SFI, Turbo |
25505554 | 78-87 | ***, 2BC, 4BC, SFI, Turbo |
25506397 | 78-87 | ***, 2BC, 4BC, SFI, Turbo |
25506818 | 78-87 | ***, 2BC, 4BC, SFI, Turbo |
25514290 | 78-87 | ***, 2BC, 4BC, SFI, Turbo |
25520329 | 78-87 | ***, 2BC, 4BC, SFI, Turbo |
2552440 | 78-87 | ***, 2BC, 4BC, Turbo |
25512617 | 84- | MFI |
25520043 | 83-87 | ***,2BC, MFI, SFI, |
25520333 | 84-86 | ***, MFI |
25524139 | 83-88 | ***, #, 2BC, MFI, SFI, SEFI |
25516109 | 87-88 | ***, **, #, ##,SEFI |
25522646 | 87-91 | **, ## |
25524140 | 83-88 | **, ***,#, SFI, |
25526109 | 83-88 | **, #, 2BC |
25526111 | 87-88 | ***, **, #, ##, SEFI |
25528801 | 87-88 | ***, **, #, ##, SEFI |
25529898 | 87-88 | ***, **, #, ##, SEFI |
25531617 | 87-91 | **, ## |
25526110 | 86-88 | ***, #, SEFI |
25520040 | 78-87 | 2BC |
25532674 | 88-91 | ## |
35532646 | 88-91 | ## |
6109 | 88-91 | ## |
25526109 | 88 | ## |
Head Cast # | Year | Displacement |
25506293 | 82-84 | 4BC |
- |
- |
- |
Intake Manifold # | Year | Displacement |
- |
- |
- |
- |
- |
- |
Block Cast # | Year | Displacement |
25505553 | 80-84 | 4BC |
25506484 | 80-84 | 4BC |
25514291 | 80-84 | 4BC |
Exhaust Manifold # | Year | Displacement |
- |
- |
- |
- |
- |
- |
A letter or number after the casting number as in 1165165 X or -3 may indicate a change in update in the casting. This would mean a higher letter would be a later production.