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-   -   My new tires don't fit (https://www.f150online.com/forums/2004-2008-f-150/238330-my-new-tires-dont-fit.html)

JDM02SVT Apr 27, 2006 09:28 PM

My new tires don't fit
 
I picked my 325/60/R18 ProComp Extreme A/T tires up from the delivery company today instead of waiting for them to drop the tires at my house tomorrow. After rushing to NTB (went there since they close at 8) we found out they rub on the upper control arm. I need a little less than an inch of additional clearance...would you guys recommend spacers? I know getting new rims would be the way to go, but I don't want to spend the extra money. :help:

etrevino103186 Apr 27, 2006 09:35 PM

Sorry I can't help you out but I noticed you are in Waco.

KiCk aSs FX4 Apr 27, 2006 09:36 PM

If they arnt that bad then you can cut the wheel well a little. but if you dont want to do that then you could buy spacers. they are not too expensive.

REDTXFX4 Apr 27, 2006 09:36 PM

Autospring 1.5"-2.5". I would stick with the 2", you can find them on ebay. Easy install also.

JDM02SVT Apr 27, 2006 09:44 PM


Originally Posted by REDTXFX4
Autospring 1.5"-2.5". I would stick with the 2", you can find them on ebay. Easy install also.


I have the Autospring 2" installed on the truck. I have plenty of room inside the fenderwell, just don't have any between the wheel and the Upper Control Arm...they hit even when the wheel isn't turned.

weaseled Apr 27, 2006 10:26 PM


Originally Posted by JDM02SVT
I have the Autospring 2" installed on the truck. I have plenty of room inside the fenderwell, just don't have any between the wheel and the Upper Control Arm...they hit even when the wheel isn't turned.

I've been wondering how people have been fitting the 325/60's on stock rims... I have 285/60's on stock 18" FX-4 rims, and with my truck leveled I have 1" or less of clearance between the tire & upper control arm.

I refuse to use spacers, and right now I cannot afford new rims. Even if I could afford them I have no clue what backspacing to get, what size I want or what style I like enough to dump that much money on!

JDM02SVT Apr 28, 2006 12:31 AM


Originally Posted by weaseled
I refuse to use spacers, and right now I cannot afford new rims. Even if I could afford them I have no clue what backspacing to get, what size I want or what style I like enough to dump that much money on!

I know what you mean. The only rims I like are the American Racing Sidewinder in Chrome...but I can't afford over $400 a wheel. They only come with the stock backspacing also, but I don't know if the extra width of the wheel would help the tire fit better. Know anyone who wants to buy 4 brand new ProComp tires?:beers:

JDM02SVT Apr 28, 2006 01:33 AM

Does anyone know what backspacing the stock rims have?:confused:

2000F150HD Apr 28, 2006 02:06 AM

Stock rims have 5 1/2 in backspacing.

I have 13.50 iroks on stock 20" rims that have over 6" of backspacing... and the tires are wide for 13.50 because they have big side lugs. They are super close to the upper a arm ball joint... But they dont hit. Maybe it is because the tire doesnt have as much bulge on a 20" rim. And the stock 20" rim is an inch wider than the stock 18"...

Wait... so how has anyone ever fit this size on a stock rim? or have they?

-stephen

johnmcl1381 Apr 28, 2006 02:12 AM


Originally Posted by JDM02SVT
I picked my 325/60/R18 ProComp Extreme A/T tires up from the delivery company today instead of waiting for them to drop the tires at my house tomorrow. After rushing to NTB (went there since they close at 8) we found out they rub on the upper control arm. I need a little less than an inch of additional clearance...would you guys recommend spacers? I know getting new rims would be the way to go, but I don't want to spend the extra money. :help:

Just wondering what year your truck is?

JDM02SVT Apr 28, 2006 04:07 AM


Originally Posted by johnmcl1381
Just wondering what year your truck is?

2004 FX4 with a leveling kit

05supercrew Apr 28, 2006 08:49 AM

What back spacing is your rim?

JDM02SVT Apr 28, 2006 11:52 AM


Originally Posted by 05supercrew
What back spacing is your rim?

I believe it's 5.5". I'm guessing I should look for a rim with a 4.5 backspace?

05supercrew Apr 28, 2006 02:20 PM


Originally Posted by JDM02SVT
I believe it's 5.5". I'm guessing I should look for a rim with a 4.5 backspace?

This is the first time im hearing of those size tires not fitting on stock rims.

etrevino103186 Apr 28, 2006 02:47 PM

what do 325's equate to in inches?


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