Gas type

Asked by Bonelessville Nov 18, 2019 at 06:52 PM about the 1998 Pontiac Bonneville 4 Dr SSEi Supercharged Sedan

Question type: General

I have been using regular gas in my pointac
Bonneville seei, should I start putting the premium
in?

4 Answers

F_O_R answered 5 years ago

I would use premium. I think it will run better and have more power.

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taver91 answered 5 years ago

The supercharged engine you are running will perform better with premium. If you had the standard engine used (I think it was a V-6 block about 3.8 Liters) I would recommend just the opposite and tell you to just keep using regular grade. It has to do with the added pressure the supercharger creates and how dense the air/fuel mixture is before detonation.

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