Tires and Speedometer
I have 32" tires on my CJ7. Assuming that the tires were added with nothing
else done to tranny, etc, will the speedometer be accurate? What size is stock with a 85 CJ7? |
Re: Tires and Speedometer
>I have 32" tires on my CJ7. Assuming that the tires were added with nothing
>else done to tranny, etc, will the speedometer be accurate? No. >What size is >stock with a 85 CJ7? > 29", I think. Robert Bills KG6LMV Orange County CA http://www.outdoorwire.com/4x4/jeep/...p-l/billsr.htm http://www.RobertBills.com |
Re: Tires and Speedometer
How far off will it be? How can I calculate it?
"Robert Bills" <rdbillsjr@aol.comxxxxxxxx> wrote in message news:20030722225017.24310.00000303@mb-m16.aol.com... > >I have 32" tires on my CJ7. Assuming that the tires were added with nothing > >else done to tranny, etc, will the speedometer be accurate? > > No. > > >What size is > >stock with a 85 CJ7? > > > > 29", I think. > > > Robert Bills > KG6LMV > Orange County CA > > http://www.outdoorwire.com/4x4/jeep/...p-l/billsr.htm > http://www.RobertBills.com |
Re: Tires and Speedometer
((big tire size/small tire size)-1)*100 = percentage speedo will be off
so 32/29=1.103-1=.103*10= 10% approx. (the speedo will read slow) So if these are the tire sizes you have, then at 60mph your speedo will be off by 6mph. If you go from bigger to smaller tires for some reason, the speedo will read fast. Chris "Joe" <jo_ratner@yahoo.com> wrote in message news:mbnTa.17604$Mc.1335436@newsread1.prod.itd.ear thlink.net... > How far off will it be? How can I calculate it? > > "Robert Bills" <rdbillsjr@aol.comxxxxxxxx> wrote in message > news:20030722225017.24310.00000303@mb-m16.aol.com... > > >I have 32" tires on my CJ7. Assuming that the tires were added with > nothing > > >else done to tranny, etc, will the speedometer be accurate? > > > > No. > > > > >What size is > > >stock with a 85 CJ7? > > > > > > > 29", I think. > > > > > > Robert Bills > > KG6LMV > > Orange County CA > > > > http://www.outdoorwire.com/4x4/jeep/...p-l/billsr.htm > > http://www.RobertBills.com > > |
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