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Apr 20, 2020 | 06:43 AM

Joe Scafide

Thread Starter

Burning Brakes

Joined: Mar 2007

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From: SOME WHERE IN ILL

tires

is it me I noticed my gas millage is better since I took run crap tires off and went with non runflats mitch piolet sport is it because of weight?

Apr 20, 2020 | 08:09 AM

Gordy M

Melting Slicks

Joined: Feb 2001

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From: Northville, MI

When I ran my runflats, first 15000 miles, I received better gas mileage on trips than afterwords. More than likely you current set is well worn and aged, unless it is a daily driver. The sidewalls of runflats are very rigid and that usually leads to better mileage at the cost of handling.

Apr 20, 2020 | 04:42 PM

Hitman227

Melting Slicks

Joined: Feb 2007

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From: Raleigh Suburbs

Prolly not from the tires, unless they are excessively bad causing more rolling resistance

Apr 21, 2020 | 06:09 AM

Joe Scafide

Thread Starter

Burning Brakes

Joined: Mar 2007

Posts: 1,219

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From: SOME WHERE IN ILL

Tires

I think runflats weigh more less weight better gas milage?

Apr 21, 2020 | 08:25 AM

leadfoot4

Team Owner

Joined: May 2001

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From: Western NY

Quote:

Originally Posted by Joe Scafide

I think runflats weigh more less weight better gas milage?

In that respect, I would tend to think that MAYBE, when starting from a dead stop, the heavier RFs might require a bit more energy, in order to get the car in motion, but once rolling, their stiffer sidewalls would offer less rolling resistance. And most likely, those two factors would cancel each other out.