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Old 07-26-2004, 01:40 PM
Chiketkd's Avatar
Chiketkd Chiketkd is offline
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Join Date: Mar 2004
Location: Charlottesville, VA
Posts: 10,334
Re: tyre diameters more

David,

Here's another way to look at what happened to your trans. The rear tires had a rolling circumference greater than the front tires by ~0.5%. For argument's sake, if the rear tires revolved 800 times each mile, the fronts would have revolved 804 times.

These extra 4 revolutions wouldn't have just vanished in the drivetrain, but would have caused a slow grinding of the transmission and transfer clutch gears. Over enough distance (in your case 2500 kilometers), the gears would have been grinded away leading to failure of your trans.

Sorry bud, but this is probably why the AT specialist has voided your warranty. No trans no matter how bullet-proof would be able to hold up to this 'abuse' indefinitely...

-Chike
Quote:
Originally posted by grnSVX96
235/40-18 3.7 in 12.7 in 25.4 in 79.8 in 794 / mile 2.2% front
265/35-18 3.7 in 12.7 in 25.3 in 79.5 in 797 / mile 1.8% back
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