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Old 01-08-2021, 07:24 PM   #1 (permalink)
67-ls1
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Join Date: Nov 2014
Location: Walnut Creek, CA
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Tire/wheel weight and mpg

How much will rotational weight reduction help with fuel economy? I have to assume that it would help more than the same weight reduction elsewhere in the car.

My current front tire/wheels weigh 47 lbs each, 94 lbs total
The current rears weigh 55 lbs each, 110 lbs total

The new fronts Iím considering would weigh 41 lbs each, 82 lbs total
The new rears would weigh 48 lbs each, 96 lbs total.

While it not a lot of weight off the the entire car, itís a pretty good chunk off the rotating stock.

Should I see this in my mpg recordings?

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