View Full Version : Powder coating


jskibo
12-19-2007, 12:45 PM
Anyone know of a place near OKC that does powder coating? Was thinking of running some calipers through.

JedzE36/5
12-19-2007, 12:57 PM
Greg knows a place. let me know when you are thinking about doing this. i am planning on powdercoating the rims on mini black with a red line around the lip. maybe we can get a deal.

jskibo
12-19-2007, 01:53 PM
Sounds good, I'm going to source a set of calipers so I can just do a swap vs. pulling and plugging for a week. Hmm, maybe I should do some rims too!

rugger1345
12-20-2007, 05:03 PM
I want to powdercoat the wheels on my Elise black as well. Hmmmmm....

JedzE36/5
12-20-2007, 05:11 PM
yea i want to powdercoat my mini S-Lites black but i want them to paint a thin red line around the lip of the rims. not on the edge though. say a 3mm thick line, 3mm from the lip of the rim. just a small contrast. the place greg went to will blast down the wheel to the bare metal, smooth it all up, and powdercoat 4 rims for $200. he said it takes about a week though. a lot cheaper than buying new rims.

jskibo
12-20-2007, 05:20 PM
Sounds like a good deal. Got my eye on a stag. set of DSII's right now.

Red line aye? Hmm, that might look good on the Hellrot too :D

WeiBCoupeE36
12-20-2007, 05:26 PM
i actually just found out of a place right by my house that does powder coating. i have to double check where it is. Robin found it, its like right next to fed ex or in that mini mall off the service road next to Bryant. fairly cheap too.

JedzE36/5
12-20-2007, 06:04 PM
Sounds like a good deal. Got my eye on a stag. set of DSII's right now.

Red line aye? Hmm, that might look good on the Hellrot too :D

yea. initially i was going to buy new rims for the mini. they were mesh spokes (BBS like) with a polished red lip. i saw them on several Porsches as well as in several Euro magazines so i thought that it would be great. then i got to thinking that i really dont want to do anything to the mini other than rims and suspension so i am taking the cheap way out by powdercoating the lot. oh and red/silver/black Union Jack mirrors to accent the red stripe. def will look good on the hellrot!

iflytii
12-20-2007, 06:09 PM
Performance Coatings does good work.

Performance Coatings
224 NE 46th St
Oklahoma City, OK 73105

(405) 525-9790

e46sooner
12-20-2007, 09:23 PM
I think it was Performance Coatings where I took my wheels to have them powder coated...they were the ONLY place I could find outside of Dallas that would do wheels. Cost was $50 per wheel. They took a good 1 1/2 weeks if I remember correctly...mostly because they do allot of other work and have to wait for an opening to do a specified job.

I also took some parts to a powder coat shop on I240 & sunnylane, real nice folks...don't do wheels, and charged a $75 minimum, but they do a great job too.

iflytii
12-20-2007, 09:29 PM
FWIW, I wouldn't powder coat wheels. There are many durable paint options that will look just as good and you don't risk the fatigue associated with the powder coating process.

WeiBCoupeE36
12-20-2007, 10:45 PM
i think you just answered my question greg. its on sunnylane

e46sooner
12-20-2007, 10:47 PM
Prob not much different in price, but powder coating does help against chipping. My wheels seemed just fine after powder, especially OEM wheels...their just made better me thinks.

JedzE36/5
12-21-2007, 01:28 AM
a lot of the aftermarket wheels companies are powdercoating their wheels such as iForged and HRE. i need to study this more.

iflytii
12-21-2007, 01:30 AM
My wheels seemed just fine after powder, especially OEM wheels...their just made better me thinks.


I wouldn't say OEM wheels are made better. I would argue they simply have a larger safety margin engineered into the wheel, which usually equates to more weight (more material).

The problem as I see it, and I will admit I am not a materials "expert", is the heat introduced to an already cured wheel in the powder coating process. Depending on the alloy, aluminum wheels are cured between 225 and 350 degrees. Powdercoating requires 400 degrees for at least an hour to cure and at that point, you arguably fatigue the material resulting in a wheel that will be more brittle and prone to cracking or worse - breaking.

It's obviously something you can argue effectively on either side but I've seen enough broken wheels posted by guys who had them powder coated to make a personal decision not to do it. It is also not coincidental that many powdercoating shops will no longer powder coat wheels, no?

iflytii
12-21-2007, 01:35 AM
a lot of the aftermarket wheels companies are powdercoating their wheels such as iForged and HRE. i need to study this more.

HRE wheels are known to fail frequently under track conditions. *edit* There were even rumors that they would be banned from some PCA and Viper events although take that with a grain of salt as that is internet gossip.

I've also seen several companies that say they powdercoat their wheels. The key thing to look at is where in the manufacturing process were the wheels powder coated and more importantly, what alloy are the wheels? Different alloys cure at different temps so that makes a big difference.

*edit 2* Did some digging in my bookmarks and clipped this from a good post:

"We had our CVR PCA meeting last night and the Northeast regional BBS representative gave a presentation. Of particular note was the damage that powder coating does to a wheel if it's done outside of the initial manufacturing process. In other words, if adding clear coat, anodizing, or even powder coating is factored in when the wheel is made such that the chemistry is planned out, then it's not a problem. But people that take delivery of a wheel and then send it out for powder coating are going to see a 30% degradation in the structural integrity of the wheel. The way I understood what he said - it was like heat treating something in the manufacture and then "undoing" it by baking on the powder coat. I didn't quite understand how that differs from heat cycling the wheel on the track - I just don't know much about the powder coating process.

Anyway - I had never before heard of negatives of powder coating metal and even wonder if this applies to things like roll bars. Just a heads-up to all..."

One thing I did find people doing for powder coating wheels is UV curing instead of traditional high temp curing. That might be a good option for those concerned about damaging wheels.

fu98
01-04-2008, 11:42 PM
I wouldn't say OEM wheels are made better. I would argue they simply have a larger safety margin engineered into the wheel, which usually equates to more weight (more material).

The problem as I see it, and I will admit I am not a materials "expert", is the heat introduced to an already cured wheel in the powder coating process. Depending on the alloy, aluminum wheels are cured between 225 and 350 degrees. Powdercoating requires 400 degrees for at least an hour to cure and at that point, you arguably fatigue the material resulting in a wheel that will be more brittle and prone to cracking or worse - breaking.

It's obviously something you can argue effectively on either side but I've seen enough broken wheels posted by guys who had them powder coated to make a personal decision not to do it. It is also not coincidental that many powdercoating shops will no longer powder coat wheels, no?


i have read, on the internet of course, that it takes temperatures higher than 700 degrees to weakin the aluminum wheel


http://www.e-techpowdercoating.com/powder_coating_faqs.htm#Doespowdercoatingdriprunor sag

JedzE36/5
01-05-2008, 12:27 AM
good reading. the question now is what type of curing do the local shops do.

DocDuvi
01-05-2008, 10:58 AM
yo Jed I have a set of rims I want to do that exact same thing to black and time attack rings!! when are you taking yours?