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#1
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new tires..speeo off
97 wrangler, just put 31's (tires) on it. Speedo says 64 when actually
going about 70 now. Tire guy said may make 1-2 mile per hour difference, but this is lots more! Any adjustment, or just get used to it? thanks cal |
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#2
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new tires..speeo off
Cal wrote:
> 97 wrangler, just put 31's (tires) on it. Speedo says 64 when > actually going about 70 now. Tire guy said may make 1-2 mile per > hour difference, but this is lots more! Any adjustment, or just get > used to it? You need a new gear on the speed sensor. http://www.quadratec.com/products/pr...R&mn=MOPAR&c=5 among other sites. -- DougW |
#3
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new tires..speeo off
Generally Jeep speedometers get more accurate with larger tires.
How did you get your numbers? "Cal" > wrote in message m... > 97 wrangler, just put 31's (tires) on it. Speedo says 64 when actually > going about 70 now. Tire guy said may make 1-2 mile per hour difference, > but this is lots more! Any adjustment, or just get used to it? > > thanks > > cal > > |
#4
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new tires..speeo off
got my numbers by my son following me in his wrangler, me in my GC. I know
my speedo is about 1 mph off (in the GC) because of the radars that display speed on the side of the road used by our local police. We compared our speeds by cell phone. I know not the most accurate way to do this.... cal "billy ray" > wrote in message ... > Generally Jeep speedometers get more accurate with larger tires. > > How did you get your numbers? > > > "Cal" > wrote in message > m... >> 97 wrangler, just put 31's (tires) on it. Speedo says 64 when actually >> going about 70 now. Tire guy said may make 1-2 mile per hour difference, >> but this is lots more! Any adjustment, or just get used to it? >> >> thanks >> >> cal >> >> > > |
#5
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new tires..speeo off
Several gears to choose from....how do you determine which one you need?
cal "DougW" > wrote in message news:KK7Bg.67517$9c6.47028@dukeread11... > Cal wrote: >> 97 wrangler, just put 31's (tires) on it. Speedo says 64 when >> actually going about 70 now. Tire guy said may make 1-2 mile per >> hour difference, but this is lots more! Any adjustment, or just get >> used to it? > > You need a new gear on the speed sensor. > http://www.quadratec.com/products/pr...R&mn=MOPAR&c=5 > among other sites. > > -- > DougW > > > > |
#6
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new tires..speeo off
Got any reasonably lightly travelled highways in the area? Run at steady speed past 10 of the numbered markers along the highway using a stopwatch for timing. Poor man's VASCAR. GPS would work as well. Cal proclaimed: > got my numbers by my son following me in his wrangler, me in my GC. I know > my speedo is about 1 mph off (in the GC) because of the radars that display > speed on the side of the road used by our local police. We compared our > speeds by cell phone. I know not the most accurate way to do this.... > > cal > > "billy ray" > wrote in message > ... > >>Generally Jeep speedometers get more accurate with larger tires. >> >>How did you get your numbers? >> >> >>"Cal" > wrote in message . com... >> >>>97 wrangler, just put 31's (tires) on it. Speedo says 64 when actually >>>going about 70 now. Tire guy said may make 1-2 mile per hour difference, >>>but this is lots more! Any adjustment, or just get used to it? >>> >>>thanks >>> >>>cal >>> >>> >> >> > > |
#7
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new tires..speeo off
http://www.raingler.com/tech/speedoChart.asp
God Bless America, Bill O|||||||O http://www.billhughes.com/ Cal wrote: > > Several gears to choose from....how do you determine which one you need? > > cal |
#8
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new tires..speeo off
Bill,
Thanks for the chart link! Looking at the chart, what is R&P? I understand that the top grey line is the tire size (we used 31" tires.) But i don't know what the R&P (the numbers in gray from top to bottom of chart?) represents. thanks for your help! cal "L.W.(Bill) Hughes III" > wrote in message ... > http://www.raingler.com/tech/speedoChart.asp > God Bless America, Bill O|||||||O > http://www.billhughes.com/ > > Cal wrote: >> >> Several gears to choose from....how do you determine which one you need? >> >> cal |
#9
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new tires..speeo off
R&P = Ring and Pinion gear ratio. This is the gear ratio for the
differential. If you don't know what yours is, there should be a metal tag under a couple of the cover bolts on the differential cover plate. Art Cal wrote: > Bill, > Thanks for the chart link! Looking at the chart, what is R&P? I understand > that the top grey line is the tire size (we used 31" tires.) But i don't > know what the R&P (the numbers in gray from top to bottom of chart?) > represents. > thanks for your help! > > cal > > "L.W.(Bill) Hughes III" > wrote in message > ... >> http://www.raingler.com/tech/speedoChart.asp >> God Bless America, Bill O|||||||O >> http://www.billhughes.com/ >> >> Cal wrote: >>> Several gears to choose from....how do you determine which one you need? >>> >>> cal > > |
#10
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new tires..speeo off
R & P means ring and pinion, which is referring to your gear ratio.
Chris "Cal" > wrote in message m... > Bill, > Thanks for the chart link! Looking at the chart, what is R&P? I > understand that the top grey line is the tire size (we used 31" tires.) > But i don't know what the R&P (the numbers in gray from top to bottom of > chart?) represents. > thanks for your help! > > cal > > "L.W.(Bill) Hughes III" > wrote in message > ... >> http://www.raingler.com/tech/speedoChart.asp >> God Bless America, Bill O|||||||O >> http://www.billhughes.com/ >> >> Cal wrote: >>> >>> Several gears to choose from....how do you determine which one you need? >>> >>> cal > > |
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