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1993 cadillac deville how to make it faster and better mpg?

for a teen driver

2 Answers

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  • 9 years ago
    Favorite Answer

    You can't do both..

  • 9 years ago

    You figure that one out and you could be rich or locked up by the big oil companies.

    Trade it in for a 96+ deville that has the 4.6 Northstar.

    That 4.9 was a pretty decent motor. It was a strong performer and still got good mileage.

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