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Re: P-rated to LT tire swap harms fuel economy? Prove me wrong
Posted to Technical Theory Forum on 2/11/2020 4 Replies

Inertial mass takes more energy to accelerate is true. That energy could possibly be returned if the driver is coasting to a stop. When using power assisted friction brakes, more energy would be needed to stop. So the heavy tire is more likely to use more fuel... Login to read more.

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