Quote:
Originally Posted by digital rules
It's likely a combination of the new tires, a less rolling resistant tire & the winter fuel blend.
Higher pressures will always result in improved rolling resistance, especially between 30-50 psi.
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Well this is a 2000lbs car. 50psi would be equivalent of 75psi in 3000lbs car, correct?
I am seeing MPG improvement after dropping pressure down under 40psi