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help with tire size question

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Old Aug 16, 2006 | 10:22 AM
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DrDrilZ
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Default help with tire size question

this is in regard to going up a size in rims/tires. if the overall diameter is larger than stock, will my speedometer and odometer read higher than actual or lower than actual?
thanks
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Old Aug 16, 2006 | 02:42 PM
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Yup. The normal recommended size upgrades are pretty close to the OEM sizes so you can maintain the stagger and mileage/speed readings.
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Old Aug 16, 2006 | 05:18 PM
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Originally Posted by DrDrilZ
this is in regard to going up a size in rims/tires. if the overall diameter is larger than stock, will my speedometer and odometer read higher than actual or lower than actual?
thanks
Speedo/odo will read lower than actual.
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Old Aug 16, 2006 | 05:52 PM
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Originally Posted by 1nate7
Speedo/odo will read lower than actual.
ok thanks. thats kinda what i thought. btw this is for an f-150 truck going from stock 255/70/17 to a 275/65/18. this wont upset anything else will it, such as ABS or 4wd or whatever???
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Old Aug 17, 2006 | 03:31 AM
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diameter:
stock 30"
new 32"
speedo will read 58 when you are actually going 60
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