HELP! need a quick answer. Tire fitment question

[Wonder Bread]

I bought a new set of Nitto Terra Grapplers and had them installed on my 09 F-150. The truck has 7.5" wide wheels and the tires are 285/65/18. The manufacturers recommended minimum wheel width is 8". Now the dealer that put them on says they made a mistake and should have never put them on the rim. They want me to come back and get a smaller tire, which I don't want to do. Or they will make me a smokin offer on a set of wheels. I think the reason they want to change them is to cover their butts on a liability issue and warranty issue.

So my question is what will happen if I just leave the tires on the 7.5" rims? I don't see a problem with it. I see people put bigger tires on stock rims all the time.

The dealer is Discount tires. Really nice guys and I got a good deal on the tires.

I'm not worried about them rubbing because they fit fine and look cool, what should I do?

 

[newmy1]

Call Lyles Tires in Omaha. Ask for Mike the owner he knows his chit and will give your the advice you need.


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[newmy1]

(402) 331-3700


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[Dogmeat]

I bought a new set of Nitto Terra Grapplers and had them installed on my 09 F-150. The truck has 7.5" wide wheels and the tires are 285/65/18. The manufacturers recommended minimum wheel width is 8". Now the dealer that put them on says they made a mistake and should have never put them on the rim. They want me to come back and get a smaller tire, which I don't want to do. Or they will make me a smokin offer on a set of wheels. I think the reason they want to change them is to cover their butts on a liability issue and warranty issue.

So my question is what will happen if I just leave the tires on the 7.5" rims? I don't see a problem with it. I see people put bigger tires on stock rims all the time.

The dealer is Discount tires. Really nice guys and I got a good deal on the tires.

I'm not worried about them rubbing because they fit fine and look cool, what should I do?

I wouldn't worry about it, there are thousands of folks that have run 285 tires on factory rims.

I ran 285's on my ol 3/4-ton Chevy and I think those might have even been 7" rims.

 

[volcano buster]

If they are a mileage warrantied tire, there is a chance that you won't get your expected miles out of them as they will likely wear the center of the tread out sooner since the tread will be somewhat rounded. This can be somewhat corrected by lowering the air pressure, but then it gets squirrely.

We run 285 on our woods trucks quite often on the stock F150 rims with no issues, but they won't warranty them for mileage given the abuse they take on the haul roads.

 

[Wonder Bread]

Well all things considered I decided to get the wheels. They are MB Wheel TKO's black 18 by 9's and I got a set of 4, center caps and lug nuts for 300!

So their mistake is my benefit, I wanted wheels anyway!

Thanks for the reply's fellas!

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[Blk88GT]

I've got a set of 295s on 9" wheels and wouldn't want any smaller. I think you (and they) made the right call.

 

[AndrettiDog]

I wouldn't worry about it, there are thousands of folks that have run 285 tires on factory rims.

I ran 285's on my ol 3/4-ton Chevy and I think those might have even been 7" rims.

Agreed. I ran 285's on my 2006 Duramax on the stock rims. Tons of people on the 4M's say you can't do that on the stock rim but I never had problems and I had that truck on some knarly roads. I'm not saying you can't have a problem but I think it is a liability concern. I'm sure that tire company would love to give you a "smoking" deal on some rims though!