How to upgrade engine in 2003 base sedan deville

155

Asked by Jesse Oct 08, 2010 at 11:08 PM about the 2003 Cadillac DeVille Sedan FWD

Question type: Car Customization

What can be done to increase the performance of the Northstar?

2 Answers
305

Corey answered 14 years ago

The DTS has 25 more horse power than the DHS and the DeVille. So thats 300 with the DTS vs 275 on the other two, with same mpg and such. Only a couple hundred dollar difference between the two. Trade up.

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90

rmink53787 answered 13 years ago

Look up `GPerformance Chip' on the internet, cost $60.00 - I put a chip in my 93 Vette and it really made a huge difference. I will probably get this chip for my 2002

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