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Tracking / Autocross / HPDE / Drifting What these cars were built for! |
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01-10-2013, 01:00 AM | #1 |
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Powder Coated Wheels Safe for the Track?!?
I found a good deal locally on another set of 17x9 et42 wheels but they have been powder coated red. I know it will add a touch of weight but I'm just don't know much about the process. Would these wheels potentially be weakened by the coating process and unsafe for track use?
TIA!
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01-10-2013, 01:05 AM | #2 |
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If I'm thinking right powder coatig shouldn't hurt the wheel itself especially on a track
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01-10-2013, 03:11 AM | #3 |
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I've seen a powder coated wheel fail at autocross first hand. Looked nasty, but luckily no damage to the car nor driver. Was the wheel powder coated? Yes. Was it the direct cause of the failure? Not sure.
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01-10-2013, 03:20 AM | #4 |
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Only if it was PC'd with a wheel-specific low temp process.
I never recommend aftermarket PC for anyone period when it comes to wheels. Reason being, a lot of PC places will say they offer the right process just to get the business, when they don't. |
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01-10-2013, 08:50 AM | #5 |
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Agreed 100% Please don't take any chances at the track!
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01-10-2013, 10:02 AM | #6 |
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I saw an SSR Comp that had been powder coated bend terribly at an autocross. Find out no did the powder coating and ask them about the process.
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01-10-2013, 08:06 PM | #7 | |
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Quote:
Personally I've never seen (at the good amount of track days I've been to) a powdercoated wheel fail. Not to say they never have or never will, but this is honestly the first thread on ANY forum I've seen regarding reservations about it.
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01-10-2013, 09:22 PM | #8 | |
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Quote:
When the wheel is manufactured it receives a heat treatment which gives the aluminium the desired hardness. This has to be done right, because if it is too hard the wheel will be too brittle and will crack easily. Too soft and it will bend easily. Heat treatment is done by heating the wheel to a specified temperature and holding it there for a period of time, and then letting the wheel cool at a predetermined rate. (could be minutes or days) Then the wheel may also be heated to a much lower temp and held for an extended period to anneal the metal and relieve stresses within the metal. When powdercoating the wheel will be cleaned, sprayed, and then baked in the oven at some temperature which will harden the powder. I'm sure you can understand how this might potentially undo any heat treatment done by the manufacturer. Don't bake your wheels kids! |
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01-10-2013, 09:58 PM | #9 |
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The temp is low. It doesn't cause issues. Don't believe the BS.
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01-10-2013, 10:02 PM | #10 |
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Didn't COR not warranty a guys wheels because he fucked with the finish which MAY have messed up the structural integrity of the wheels (failed at the track)? IIRC they were hard anodized aftermarket or something by the owner.
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01-10-2013, 10:40 PM | #11 |
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01-11-2013, 07:12 AM | #12 | |
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Quote:
People above that have seen "powder coated" wheels fail at the track have probably seen tons of wheels without powder coating fail as well. The track is brutal. To blame the failure on the powder coating without any further facts or reasoning is pretty ridiculous.
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01-11-2013, 02:32 PM | #13 |
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Thanks for all the responses!
What I've gathered is not all processes and equal and if I don't know I should steer clear.
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01-11-2013, 02:42 PM | #14 |
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I would've thought the front wheels for sure would see high temps on a heavy car with good brakes.. My rims were way to hot to touch after a 20 min session at a track they say really isn't that hard on brakes.. SoW CW.. I never tested the temps of the rim.. But I thought they would've got as hot as a oven when being PC
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