ENGINE SWAP MOTOR HELP

Asked by Apr 08, 2016 at 09:07 PM about the 2003 Buick Regal GS

Question type: Car Customization

Hello Quick question
CAn a 98 riviera sc go in a 03 regal

3 Answers

630

Yes.......the engine will fit. I would suggest swapping both the engine and transmission because the SC engine has a HD transmission to take the extra power. You also need the Engine control module (computer) the hard part of these swaps is the electronics, getting the Engine module wired into the 03 body module and having all the gages etc work.

Best Answer

I HAVE THE TRANS ITS A 4t65eHD WILL THAT GO IN SMOOTH

And the 2003 regal is a gs which came with a 3.8 2 sc

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