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Old 04-10-2007, 06:25 PM   #1
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Default Tire Fitment Question - Somebody HELP!

Hey there y'all! I've been trying to find something out all day and can't get a straight answer from anyone; so I come to y'all hoping someone can help me with some fitment issues.

I bought a 2006 F150 FX4 that came with 20" OEM wheels and these pointless Pirelli Scorpion ATR tires- why they would put street rubber on an "Off-Road" package truck is beyond me! Anyway, I need some good old BF Goodrich AT tires on it to get me around the ranch. Since the cost of BFGs for 20" rims is about TWICE what it costs for the same size (comparably) tire for a 17" rim, I thought I'd switch to a 17" rim. So, I went out and found a used set of 17" OEM off a 2005 F150. Now I'm having a HECK of a time finding out what tires I can, and CAN'T, put on my truck!

The idiot at the dealership tried to tell e that even changing my tires to any other brand would void my warranty<- -- BS! Plus he said that the whole vehicle, "was designed for those 20" wheels and changing wheels or tires (in any way) would make having 4WD all but pointless! The guy At 4-Wheel Parts didn't know what size I could use and didn't seem interested in finding out unless I wanted to buy wheels AND tires from them! I don't make a lot of money and I need to find the least expensive way to put some BF Goodrich tires on my truck- it doesn't seem like it should be such a complicated thing. I'm hoping some of you F150 experts can tell me what's the widest and tallest tires I can put on my 2006 F150 FX4 (that has the ovesized brakes and came with 20" wheels and 285/55/R20 tires) using 17" stock rims off a 2005 F150?

Somebody give me some good news! PLEASE! LOL!

Nick
Austin, TX
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Old 04-10-2007, 07:04 PM   #2
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Quote:
Originally Posted by Horitexan View Post
Hey there y'all! I've been trying to find something out all day and can't get a straight answer from anyone; so I come to y'all hoping someone can help me with some fitment issues.

I bought a 2006 F150 FX4 that came with 20" OEM wheels and these pointless Pirelli Scorpion ATR tires- why they would put street rubber on an "Off-Road" package truck is beyond me! Anyway, I need some good old BF Goodrich AT tires on it to get me around the ranch. Since the cost of BFGs for 20" rims is about TWICE what it costs for the same size (comparably) tire for a 17" rim, I thought I'd switch to a 17" rim. So, I went out and found a used set of 17" OEM off a 2005 F150. Now I'm having a HECK of a time finding out what tires I can, and CAN'T, put on my truck!

The idiot at the dealership tried to tell e that even changing my tires to any other brand would void my warranty<- -- BS! Plus he said that the whole vehicle, "was designed for those 20" wheels and changing wheels or tires (in any way) would make having 4WD all but pointless! The guy At 4-Wheel Parts didn't know what size I could use and didn't seem interested in finding out unless I wanted to buy wheels AND tires from them! I don't make a lot of money and I need to find the least expensive way to put some BF Goodrich tires on my truck- it doesn't seem like it should be such a complicated thing. I'm hoping some of you F150 experts can tell me what's the widest and tallest tires I can put on my 2006 F150 FX4 (that has the ovesized brakes and came with 20" wheels and 285/55/R20 tires) using 17" stock rims off a 2005 F150?

Somebody give me some good news! PLEASE! LOL!

Nick
Austin, TX
Try http://www.tirerack.com/ See what you can come up with there.
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Old 04-10-2007, 08:03 PM   #3
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Well obviously the guy who told you switching your tires would void your warranty was an idiot. With these trucks you can't do any smaller than a 17" wheel because of the oversized brakes, but you can do 17's. On a 4WD you can easily fit up to 33's with no lift. I would stick with a 12.50" or 13" wide tire max to ensure no rubbing issues. What I would do if I were you (assuming you have the money) is add a 2.5" leveling kit and stick some 35's on there.

Actually what I would do if I were you would be to buy my 18's with BFGoodrich Long Trails.
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Old 04-10-2007, 08:25 PM   #4
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What he said....exactly
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Old 04-10-2007, 08:30 PM   #5
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If your trying to stay stock in the overall size of the tire HERE ia a calculator that will help.
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Originally Posted by wxmcpo View Post
Actually what I would do if I were you would be to buy my 18's with BFGoodrich Long Trails.
Those wheels get bid high on Ebay. You can sell them easily, did you put them in the classified section?
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Old 04-11-2007, 12:59 AM   #6
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Those wheels get bid high on Ebay. You can sell them easily, did you put them in the classified section?
I actually just posted them in the classifieds, don't know why I didn't do that before. I know I can probably get more by selling them on ebay, but I'd rather sell them to a fellow board member. I will put on ebay if they don't sell soon though. I sold my leveling kit to another member on this board and he let me know he received it today. I can't wait to see his truck after he gets it installed.
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Old 04-11-2007, 11:13 AM   #7
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all of what they said is a very smart idea. though, if you have the money, you should get this here http://http://superbuytires.com/gall...Type951/12353/

i was driving yesterday and saw a black f150 with the lift and those rims in black with terra grapplers, it looks pretty sweet...
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Old 04-12-2007, 01:23 AM   #8
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you said you want cheeper tires, 17" tires are expensive well at least from what ive seem probably not as much as 20" thats one reason im gonna go to 18" but good luck with it... i see plently of links above im sure you find at least one thatll work lol
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Old 04-12-2007, 01:23 AM
 
 
 
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