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gas mileage with supercharger?

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Old 12-20-2005, 11:31 AM
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Default gas mileage with supercharger?

How badly does a supercharger affect your gas mileage for daily driving? I keep hearing that it does affect it, but by how much? Lets assume no spirited driving, just daily driving.
Old 12-20-2005, 04:24 PM
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I didn't notice any difference until I changed the gear. But mines not a daily driver. You only go into boost when you go WOT. Mine typically runs between 14 and 18 inches of vacuum.
Old 12-20-2005, 06:33 PM
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You shouldn't really notice too much if you stay out of boost.
And you can get into boost at part-throttle.
Old 12-21-2005, 03:48 AM
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You may notice a one to two mpg difference at normal crusing speeds, but that is about it. Bob
Old 12-21-2005, 05:23 AM
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As one of the other members mentioned, only about 2 MPG. Now WOT is another story.
Old 12-21-2005, 06:50 AM
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When I had a P1SC, I didn't notice any change unless I was at WOT. Just normal driving I still got stock gas mileage.



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