help with tire size question

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Aug 16, 2006 | 10:22 AM

DrDrilZ

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From: ATL

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

Aug 16, 2006 | 02:42 PM

DavesZ#3

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From: Louisiana

Yup. The normal recommended size upgrades are pretty close to the OEM sizes so you can maintain the stagger and mileage/speed readings.

Aug 16, 2006 | 05:18 PM

1nate7

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Quote:

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.

Aug 16, 2006 | 05:52 PM

DrDrilZ

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From: ATL

Quote:

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???