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Buick 3.8 (231) Casting Numbers


 
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Buick 3.8 (231) Casting Numbers

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 ##
 




Buick 4.1 (252) Casting Numbers

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
-  - -
- - -
 




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