TwinTurbo.NET: Nissan 300ZX forum - I feel that unless you make a really drastic change
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Subject I feel that unless you make a really drastic change
     
Posted by Barry'z (NJ) on September 10, 2007 at 4:38 PM
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In Reply To Larger Tires and Speedometer Inaccuracy on the Z32. posted by GPA on September 10, 2007 at 02:21 PM
     
Message we're not talking big numbers here.

I'm currently running 235/50-17 sized tires the results compared to stock are as follows...

...................................Stock
Totals are in inches........Tire 1..........Tire 2........Difference

Sidewall Height:.............. 4.43............ 4.63............. .20

Overall Diameter:........... 24.86.......... 26.25........... 1.39

Circumference:............... 78.09.......... 82.47........... 4.38

Revs per mile:.............. 836.69........ 792.38........ -44.31


If your speedo reads: 100 actual is: 105.59 difference 5.59

or 5590 miles off for every 100,000 traveled, really not a big deal in the grand scheme of things.
Especially considering that the parts are moving the same as if they'd actually only traveled the 100K miles.

Just my $.02

If you don't see my 3 babies, photodump.org is down.

     
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