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101Volts · 08-23-2015, 07:43 PM

I changed the oil in Mom's van from whatever it was - 5w or 10w30 with STP to just 0w20 - and fuel economy jumped up.

08-23-2015, 07:43 PM	#17 (permalink)
101Volts Master EcoModder Join Date: Dec 2012 Location: Pennsylvania Posts: 506 Woody - '90 Mercury Grand Marquis Wagon LS Last 3: 19.57 mpg (US) Brick - '99 Chevrolet K2500 Suburban LS Last 3: 12.94 mpg (US) M. C. - '01 Chevrolet Impala Base 90 day: 18.73 mpg (US) R. J. - '05 Ford Explorer 4wd 90 day: 16.66 mpg (US) Thanks: 936 Thanked 34 Times in 28 Posts	I changed the oil in Mom's van from whatever it was - 5w or 10w30 with STP to just 0w20 - and fuel economy jumped up. __________________ Last edited by 101Volts; 08-23-2015 at 07:57 PM..