Re: Tires and speedometer
My TJs one came right with 31s.
Dave "Mike Romain" <romainm@sympatico.ca> wrote in message news:45ba98dc$0$5336$9a6e19ea@unlimited.newshostin g.com... > The funniest one was my CJ7's speedometer. It became proper with 33" > tires for some reason. It had 31's on it when I got it and it was slow > to the real speed. I would be doing a real 60 when the thing read 65. > > I think someone swapped a gear to go to 31's from the 215's when 30's > would have been right for the speedometer... > > Mike > > Jeff Strickland wrote: > > I agree. Sorta. > > > > If the factory fitment of speedo gear was to accomodate the largest > > factory tire, then with the small tires on the stock models, the speedo > > should be fast, they should read considerably higher than the actual speed. > > > > If the speedo gear for the stock base-models is selected properly for > > the tires, then changing the tires should result in an error where the > > speedo reads slow with the new tires. > > > > Your experience with the XJ was such that you swapped a tire that was > > nearly 30 with one that was 30, and the error that caused dialed the > > speedometer's accuracy in almost perfectly. (I had a similar experience > > with my BMW, by the way.) But, the OP is making a drastic change from a > > 26.5" tire to a 30. This is 3" different in diameter, and 9" in > > circumference. That's a large difference, and the speedo should > > logically not be able to display the actual speed anymore. > > > > > > > > > > "Mike Romain" <romainm@sympatico.ca> wrote in message > > news:45ba8063$0$6662$9a6e19ea@unlimited.newshostin g.com... > >> You need to find a measured mile or use a GPS to see what it is now. > >> I have found that Jeep speedometers are calibrated for the largest > >> stock tire size so yours might be right on now. > >> > >> Our XJ's became right on with 235's which are almost 30" tall. > >> > >> Mike > >> 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > >> 88 Cherokee 235 BFG AT's > >> Canadian Off Road Trips Photos: Non members can still view! > >> Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 > >> (More Off Road album links at bottom of the view page) > >> > >> tk wrote: > >>> I upgraded to alum canyon wheels and 30" tires from 195/75R15 steel > >>> wheels and tires. Does my speedometer need to be adjusted? > >>> > >>> Has anyone done this? > >>> > >>> Tom > >>> > > |
Re: Tires and speedometer
There are mile markers along every highway.
God Bless America, Bill 0|||||||0 mailto:-------------------- http://www.----------.com/ "Jimmie D" <jimmiedee@bellsouth.net> wrote in message news:zDWuh.26719$uW.9179@bignews3.bellsouth.net... > > Easy way to find out, beg borrow or steal one of these GPS navigation > devices, they give your speed and are pretty much dead on. > > |
Re: Tires and speedometer
There are mile markers along every highway.
God Bless America, Bill 0|||||||0 mailto:-------------------- http://www.----------.com/ "Jimmie D" <jimmiedee@bellsouth.net> wrote in message news:zDWuh.26719$uW.9179@bignews3.bellsouth.net... > > Easy way to find out, beg borrow or steal one of these GPS navigation > devices, they give your speed and are pretty much dead on. > > |
Re: Tires and speedometer
There are mile markers along every highway.
God Bless America, Bill 0|||||||0 mailto:-------------------- http://www.----------.com/ "Jimmie D" <jimmiedee@bellsouth.net> wrote in message news:zDWuh.26719$uW.9179@bignews3.bellsouth.net... > > Easy way to find out, beg borrow or steal one of these GPS navigation > devices, they give your speed and are pretty much dead on. > > |
Re: Tires and speedometer
There are mile markers along every highway.
God Bless America, Bill 0|||||||0 mailto:-------------------- http://www.----------.com/ "Jimmie D" <jimmiedee@bellsouth.net> wrote in message news:zDWuh.26719$uW.9179@bignews3.bellsouth.net... > > Easy way to find out, beg borrow or steal one of these GPS navigation > devices, they give your speed and are pretty much dead on. > > |
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