anyone know the benifits of lightweight wheels? - Toyota Yaris Forums

slvryaris · 07-10-2007, 08:47 AM

Just less total weight. I seen something once talking about gas mileage for every like 100lbs you loose off your car you gain like 3% more fuel effiency. I have seen people toss their spare tire and everything.

CaysE · 07-10-2007, 12:57 PM

Quote:

Originally Posted by slvryaris

Just less total weight. I seen something once talking about gas mileage for every like 100lbs you loose off your car you gain like 3% more fuel effiency. I have seen people toss their spare tire and everything.

Less rotational weight has a larger effect than less total weight. It's the same thing as having a lightweight flywheel: your engine can rev faster because there's less resistance to it spinning. It doesn't increase horsepower or torque (except to the ground), but it does increase acceleration.

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07-10-2007, 08:47 AM	#1
slvryaris View User's Garage Drives: 2007 Yaris Sedan S Join Date: May 2006 Location: Indiana Posts: 885	Just less total weight. I seen something once talking about gas mileage for every like 100lbs you loose off your car you gain like 3% more fuel effiency. I have seen people toss their spare tire and everything.