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Anyone Ever Have Their OEM rims Powder Coated? #5398077 04/09/20 07:59 AM
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LoneRanger Offline OP
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Is it a reasonable action if you want to change the look of your vehicle, instead of swapping out the OEM rims for after market ones, to instead have your OEM rims powder coated to the desired finish i.e. anthracite or black, etc., if the OEM's are alloy? Is this a risky endeavor that invites problems getting the wheels to balance out smoothly and you start having vibrations or steering wheel shimmy? Possibly it depends on the equipment, experience, and expertise of the shop doing the powder coating.

Re: Anyone Ever Have Their OEM rims Powder Coated? [Re: LoneRanger] #5398087 04/09/20 08:09 AM
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Cacciatore Offline
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I've had countless sets of rims powdercoated and had no issues. The dealers that offer to "repair" your wheels often send them to a shop that can straighten, weld, and then powder coat to match color.


2011 Cummins 1400hp
2017 Equinox
Re: Anyone Ever Have Their OEM rims Powder Coated? [Re: LoneRanger] #5398090 04/09/20 08:15 AM
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NO2 Offline
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Can the 'repair' get rid of corrosion on aluminum wheels? Mine look terrible.

Re: Anyone Ever Have Their OEM rims Powder Coated? [Re: NO2] #5398104 04/09/20 08:29 AM
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Originally Posted by NO2
Can the 'repair' get rid of corrosion on aluminum wheels? Mine look terrible.


Yup. Even easier if its only surface corrosion. That'll be gone with the sandblasting


2011 Cummins 1400hp
2017 Equinox
Re: Anyone Ever Have Their OEM rims Powder Coated? [Re: LoneRanger] #5398106 04/09/20 08:30 AM
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Nick1994 Offline
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I’m thinking about having it don’t for my Genesis, the clear coat is fading on the wheels. I don’t want drastically different color, maybe a little darker silver.


2015 Hyundai Genesis 5.0L 61k Dealer Bulk SynBlend 5w20 & OEM
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Re: Anyone Ever Have Their OEM rims Powder Coated? [Re: LoneRanger] #5398108 04/09/20 08:30 AM
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Kira Offline
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Corrosion....that's where I am.

My wheels, 5 wide spokes with a large section in the middle where the spokes converge, are heavily corroded in the center.

I'm just wondering if I can "polish" that deeply.

Re: Anyone Ever Have Their OEM rims Powder Coated? [Re: LoneRanger] #5398109 04/09/20 08:31 AM
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racin4ds Offline
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I used to own and operate my own powder coating shop and wheels were a big part of my business. I never once heard a customer complain about anything regarding balancing or other issues. I would completely chemical strip and media blast the wheel down to raw substrate, then apply a generous 4-5MIL thick coating so it was strong and would last. They would cure at 400*F for about 2 hours.

To get rid of corrosion on aluminum wheels they will need media blasted and completely recoated. The blasting usually takes most of the pitting and corrosion out, the best thing about powder is that its so thick it fills the small voids and pitting well.


Just say NO to thin oils and M1!
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Re: Anyone Ever Have Their OEM rims Powder Coated? [Re: LoneRanger] #5398124 04/09/20 08:44 AM
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Cujet Offline
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I had aftermarket "mini-lite" wheels powder coated charcoal gray color. It looked pretty good, with a matte finish and held up well. However, it was not easily repairable, after a few bent rims and scrapes from a poor driver (,,,me,,, ) I stripped them, had them repaired at "first place wheels in Jupiter, FL" and painted them an automotive charcoal gray metallic.

The paint looked 100% better, with a deep shine that gave the car a new look. Touch up's matched easily. Also, I was able to fill a few dings and scrapes with epoxy prior to painting. So they looked perfect.

Last edited by Cujet; 04/09/20 08:49 AM.

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Re: Anyone Ever Have Their OEM rims Powder Coated? [Re: LoneRanger] #5398133 04/09/20 08:49 AM
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Pew Offline
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Not personally done on my wheels, but I've PC'd by calipers.

Just take note, some [heat-treated aluminum] wheels can fail if they're heated too high (example: everybody's favorite RPF1s.) But most OEM wheels are cast anyways.

Last edited by Pew; 04/09/20 08:49 AM.
Re: Anyone Ever Have Their OEM rims Powder Coated? [Re: LoneRanger] #5398141 04/09/20 08:54 AM
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I did on my '76 TR-6 steel wheels looks great. Done 20 years ago still looks new.

Re: Anyone Ever Have Their OEM rims Powder Coated? [Re: LoneRanger] #5398169 04/09/20 09:15 AM
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I have heard the curing process of powder coating to mess with the metallurgy of a heat treated aluminum wheel, later causing possible structural defect and/or failure. I have no experience with this, and I am just regurgitating warnings I have heard other drivers in grid.

Can anyone smarter than me support or refute this? A quick google search found numerous examples, but I don't want to go off of that alone.


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Re: Anyone Ever Have Their OEM rims Powder Coated? [Re: MacManus99] #5398221 04/09/20 09:43 AM
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Pew Offline
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Originally Posted by MacManus99
I have heard the curing process of powder coating to mess with the metallurgy of a heat treated aluminum wheel, later causing possible structural defect and/or failure. I have no experience with this, and I am just regurgitating warnings I have heard other drivers in grid.

Can anyone smarter than me support or refute this? A quick google search found numerous examples, but I don't want to go off of that alone.


Yea, RPF1s and other Enkei/Koeing wheels that use the same manufacturing process have a big issue with this - although it doesn't seem to be consistent with every wheel. I had a friend's crack within a few months of just DD while another lasted as long as he had the car + a few track days. The one that did crack was done at a well-known powder-coat shop. The one that didn't crack was done by another friend that just got into powder coating but was very meticulous and he did my brake calipers too.

Re: Anyone Ever Have Their OEM rims Powder Coated? [Re: LoneRanger] #5398253 04/09/20 10:01 AM
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racin4ds Offline
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95% of most all powders out there cure at 375-400*F so that should not hurt any aluminum wheel. The only time I can see damage occurring is if the powder guy doesn't have good control of his oven temps and lets them drift upwards of 500-600* then you start getting into the territory that can upset metallurgy of aluminum.


Just say NO to thin oils and M1!
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Re: Anyone Ever Have Their OEM rims Powder Coated? [Re: Pew] #5398265 04/09/20 10:12 AM
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Originally Posted by Pew
Originally Posted by MacManus99
I have heard the curing process of powder coating to mess with the metallurgy of a heat treated aluminum wheel, later causing possible structural defect and/or failure. I have no experience with this, and I am just regurgitating warnings I have heard other drivers in grid.

Can anyone smarter than me support or refute this? A quick google search found numerous examples, but I don't want to go off of that alone.


Yea, RPF1s and other Enkei/Koeing wheels that use the same manufacturing process have a big issue with this - although it doesn't seem to be consistent with every wheel. I had a friend's crack within a few months of just DD while another lasted as long as he had the car + a few track days. The one that did crack was done at a well-known powder-coat shop. The one that didn't crack was done by another friend that just got into powder coating but was very meticulous and he did my brake calipers too.

Mac and Pew:

I've long heard the same story - that is is unsafe to power coat an aluminum alloy wheel.

One of the posters said they heated the wheel to 400 degrees and cured the power coat for two hours. This is far, far hotter than a wheel normally gets. I've had rotors steam and spit when sprayed with water. But I've never had the center portion of the wheel where it bolts to the hub spit and steam. That means the hottest part of the wheel, the hub area, is under 212 degrees (a wheel is a giant heat sink).

Also too, 400 degrees would destroy the bead of the tire. Said another way, how do you think your tire fair in a giant 400 degree oven for two hours. Would it be ruined? I think so.

In other words, wheels never reach 400 degrees in normal circumstances, not even close.

Another thing, the BBS wheels I have come from the factory "varnished" (their terminology). And the BMW Style 225 wheels I have have a distinct orange peel pattern on the inner barrel. To me that means they were spray painted, not power coated.

Given all this, I wouldn't power coat an aluminum alloy wheel. FWIW.

Scott

PS Just looked up the temperature that a tire is cured out during its manufacture. 300 degrees F. To me that means the bead of a mounted tire is not engineered to survive 400 degrees, which means the rim area of a wheel never reaches that temperature.


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Re: Anyone Ever Have Their OEM rims Powder Coated? [Re: LoneRanger] #5398307 04/09/20 10:55 AM
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krzyss Offline
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I would think that one powder coats the wheel without a tire so rubber never makes it to the oven.

Krzyś

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