225/40/19 front & 245/40/19 rear ok?
08-20-09, 10:32 PM
#1
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225/40/19 front & 245/40/19 rear ok?
I'm just wondering, if I ran these tire sizes on my IS250 would it mess anything up? Would it throw off the speedometer or odometer?
08-21-09, 01:20 PM
#2
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Tires are too tall, speedometer and odometer accuracy will be reduced. Worst effect will be slower acceleration (similar to the effect of taller gearing), noticeable on the relatively low-powered IS250.
08-22-09, 10:48 AM
#4
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Don't have the stats in front of me, but speedo will read slower than actual speed and odometer will read less mileage than actual. But the real negative effect will be on acclelerations since the car is already horsepower-challenged.
08-29-09, 08:17 PM
#5
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