That sounds pretty good for a Gasser! I know that with my 215/75/15 bfg all terrains my speedo matches GPS until 40-50 mph then my speedo falls behind. I've noticed that the more I drive her the closer the speedo matches the GPS. Is was 5+ off over 50 now it's closer to 2-3 off. I have a turbo diesel so my mileage differs, 26-28 mpg and almost 20 pulling a Lund 1650 explorer On Sep 12, 2015 8:34 AM, "Dennis Haynes" <d23haynes57@hotmail.com> wrote: > With that size tire you should do a speedometer comparison to a GPS to see > where you really are. That is a large tire. Between the oversize tires and > slight bump in HP with the engine monitoring the transmission temperature > is > a good idea. I have seen that tire size on the automatics cause just enough > continuous torque converter slip to heat things up and cause failures. If > you really doing 20 mpg indicated and especially if you actually traveling > further you are doing well. > > Dennis > > > -----Original Message----- > From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of > Stan Shapiro > Sent: Thursday, September 10, 2015 10:52 PM > To: vanagon@GERRY.VANAGON.COM > Subject: Highway driving > > A newbie question to you all-- > > > > I have a 2.2 WBX gowesty engine, 1990 Westy, Automatic, with Generat AT2 > Grabber 215/65/16 at 44 pounds > > I usually highway drive at 63 mph, 3400 RPM, and average about 20 MPG. > Is > that about right? > > > > What highway speed / RPM do most of you drive at? What is your MPG? > > > > > > Thanks > > Stan Shapiro > |
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