Can u swap a 2.4L for a 3.4L V-6. Grand Am.

Asked by Feb 05, 2015 at 01:32 AM about the 1999 Pontiac Grand Am 2 Dr SE1 Coupe

Question type: General

2 Answers

10,695

Yes! The car came from the factory in '99 with either engine. But it is not a straight up swap. The tranny, wiring harness, engine/tranny mounts and accessories are different. The easiest way to complete this swap would be to source your powertrain from a wrecked donor car and harvest all other parts that are required.

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Do I need to change the drive shafts and wheel hubs also

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