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Hey,
Im new here and drive a supercharged 96 mustang but its also my daily driver and have been checking out ways to improve gas mileage.
The car surprisingly does very well on the highway....probably knocking down 25 mpg or so cruising.
Anyways, I am switching from heavy 18 inch rims to 15 inch lightweight drag wheels.
I will be saving somewhere around 95 lbs of rotating mass in total!
I will do some tests and report back....I would expect a solid 2-3 mpg gain.
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