Will a 3800 out of a 1998 Grand Prix fit in a 2003 Buick lesabre?

Asked by Nov 26, 2015 at 11:17 AM about the 1998 Pontiac Grand Prix 4 Dr SE Sedan

Question type: Maintenance & Repair

Want to pull 1998 Pontiac Grand Prix motor (body shot) and install in 2003
Buick lesabre(engine shot). Both are 3800 non-supercharged.

1 Answer

86,925

The basic blocks are the same but you might find differences in the intake and exhaust systems you might have to transfer to the older engine. HTH

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