325/65/18 or 325/60/18 whats the diff? - F150online Forums



2004 - 2008 F-150

325/65/18 or 325/60/18 whats the diff?

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Old 04-15-2007, 01:30 PM
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325/65/18 or 325/60/18 whats the diff?

Im lookin into getting a moto metal wheel and tire package. when it comes to the nitto tires i have two choices in the large 18's: 325/65 or 325/60. the 325/60 are about $30 dollars cheaper a tire. whats the difference between these two tires? i would think its a tiny difference in size. any opinions on which would be better for my truck that only has a 2" leveling kit on the front?
thanks
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Old 04-15-2007, 01:36 PM
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325/65/18 = 325mm wide (12.8in) / 65% sidewall of width = 34.6in tall tire
325/60/18 = 12.8 in wide / 33.4 in tall tire

So the difference is about 1.2" in total height of the tire
Additionally, the first will make your truck about .6" taller.

On an aftermarket wheel and an AS, I dont think you can fit the 325/65/18.
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Old 04-15-2007, 01:37 PM
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Old 04-15-2007, 02:21 PM
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If you are putting aftermarket wheels on then go with the 325/60/18's. With these trucks and a leveling kit you can run a 33" tire on aftermarket rims and 35" on stock rims. There are a couple of guys that had 35's on aftermarket wheels with just a leveling kit, but I think that they were running wheels with 6" backspacing to get them to fit.
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Old 04-15-2007, 02:51 PM
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i dont understand why a 325/65/18 will fit on a stock rim but not an aftermarket rim
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Old 04-15-2007, 02:56 PM
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Quote:
Originally Posted by armt-dawg
i dont understand why a 325/65/18 will fit on a stock rim but not an aftermarket rim
. . because it'll rub. The stock wheel has the correct backspacing and width to allow for larger tire sizes.
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Old 04-15-2007, 03:18 PM
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do they make aftermarket rims that are the same specifications of the factory rims so i could run the 325/65/18 on them?
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Old 04-15-2007, 09:46 PM
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mb motoring "blitz" does. discounttiredirect.com. i used to have the 325/65/18 on a 18x8.5 mb motoring wheels with very very min rubbing.
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Old 04-15-2007, 09:51 PM
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Wheel width and backspacing are as important to fitment as tire size. THe OEM wheels are only 7.5 inches wide with 5.5 inches of backspacing. This is a little too narrow for a 325mm wide tire.
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