“The viscosity of a lot of the differential fluids has really gone down, because when you reduce the viscosity or how thick it is then you get better gas mileage,” said Larsen.
Keeping that old car? Avoid costly repairs
Changing fluids makes biggest difference
Published On: Nov 28 2011 02:22:53 AM EST Updated On: Dec 06 2013 10:57:29 AM EST
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