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what kind of fuel shoul i use
1990 Cadillac DeVille

What kind of fuel shoul i use

(1990 Cadillac DeVille)
what type of gas should i use
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on May 17, 2010
Regular 89 Octane should be fine
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on May 17, 2010
Regular 89 Octane should be fine
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I have heard to put the super unleaded only. like one grade up from regular. My gas flap also has a sticker on the inside saying that.
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