2003 Pontiac Grand Prix Grand Prix engine swap

DAKOTAHICKS33

MEMBER
2003 PONTIAC GRAND PRIX
3.1L
V6
2WD
AUTOMATIC
189,000 MILES

Can a 3.1 grand prix engine fit a supercharged grand prix 3.8 car

Thursday, May 7th, 2015 AT 11:56 AM

1 Reply

WRENCHTECH

MECHANIC
20,757 POSTS

It's not a matter of fitting. It's a matter of not having an operating system for that combination, not to mention that it's against Federal law to do that and drive it on US highways.

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