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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Tight wheel/caliper tolerance

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Old Mar 9, 2024 | 11:12 PM
  #1  
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Tight wheel/caliper tolerance

I finally got my wheels and tires mounted on my 1996 f-150, but as I was backing out of the driveway a terrible grinding noise occurred that seemed to be coming from the left front wheel. After a few back and forth passes to try to identify whether it was a dragging brake pad or seized bearing, I pulled the wheel to see a deep gouge around the inner wheel and a pile of aluminum filings.

Before being shipped to me, the wheels and tires had been balanced by TireRack. The low-profile weights on the inner rim struck my brake caliper spring, bending it outward creating a lathe to the inner surface of my wheel.

So many people run the 15x8 American Racing Outlaw II wheel on these trucks, I'm surprised I've never come across information suggesting that the 15s barely clear the brake caliper.

I replaced the brake clip, removed the weights from the wheel, and remounted it. So far, so good, and I'lll have to get the wheels rebalanced with traditional weights, but the front wheels can't be more than 1/16" from the brake assembly. I almost ordered 16s, and now I wish I had.

Anyone else have a fitment issue with these wheels?




 
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Old Mar 10, 2024 | 07:23 AM
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Those wheels are designed for a coated mag wheel weight
Tape a weights or any others will sometimes contact the caliper and or anti rattle spring clips
Looks nice
Just be careful where you let people put the tape a weights on there
It will not happen as bad with half worn out brakes
Most people find out what you found out, only when they have their brakes replaced
have fun
The 15s will let it drive like it is supposed to
16s not much bigger but 20s would make it drive like a steel wheeled sheet spreader
People do not realize that the tire is part of the suspension
If you get too low of a profile, your ride suffers, traction, the works gets mucked up
 
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Old Mar 10, 2024 | 12:18 PM
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Thanks for the reply.

Is what you are calling a "coated mag wheel weight" the same thing as tape weights? If that's the case, I think it will be challenging for a wheel and tire shop to find the sweet spot to balance the wheels without creating an obstruction for the brake keepers. I'm curious what other people are doing.

Yeah, I prefer 15s on this truck, but was considering 16s because I had an opportunity for a great price on a new set of 16" tires.
 
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Old Mar 10, 2024 | 08:50 PM
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I ran into the same clearance issues. Just avoid the stick on weights and you will be fine.
 
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Old Mar 11, 2024 | 05:19 AM
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No, the coated mag wheel weights are like a conventional wheel weight but they have been coated with plastic so they do not corrode the aluminum wheels
 
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Old Mar 11, 2024 | 05:47 PM
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Gotcha!! I'll be sure to talk to the tire shop about it when I get it rebalanced.

Really appreciate the info.
 
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