bigredhdt Posted September 4, 2016 Report Share Posted September 4, 2016 On my last 2 trips, after replacing my rear leveling valve on my volvo d12, i saw an inrease of almost 1 mpg. I also replaced my fuel water separator as well. Does this seem possible? In addition, on my last trip we drove through many hills and i had an extra 1000lbs of hay. I always set my cruise at 67 and use it as much as possible?? Link to comment Share on other sites More sharing options...
NoDirectionHome Posted September 4, 2016 Report Share Posted September 4, 2016 nope "There are No Experts, Do the Math!" 2014 Freightliner Cascadia DD16 600hp 1850ft-lb 18spd 3.31 260"wb SpaceCraft S-470 SKP #131740 Link to comment Share on other sites More sharing options...
lappir Posted September 4, 2016 Report Share Posted September 4, 2016 nope Are you just jealous? Anything is possible, but not likely. If your ride height has changed be sure to check the drive-line angle. There is a post somewhere on that. Rod White 2000/2010Volvo VNL 770 with 7' Drom box with opposing doors, JOST slider hitch. 600 HP Cummins Signature 18 Speed three pedal auto shift. 1999 Isuzu VehiCross retired to a sticks and bricks garage. Brought out of storage the summer of 2022 2022 Jeep Wrangler Sport S Two door hard top. 2007 Honda GL 1800 2013 Space Craft Mfg S420 Custom built Toyhauler The Gold Volvo is still running and being emptied in July. Link to comment Share on other sites More sharing options...
gjhunter01 Posted September 4, 2016 Report Share Posted September 4, 2016 A slight change in unnoticed driving habits can make a big difference in fuel mileage. Also wind speed and outside temperature has an effect on mileage. It can all add up. Greg Link to comment Share on other sites More sharing options...
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