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Old 10-30-2012, 05:07 PM   #1
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Default Powdered RacingHarts

Well, same dude who sold me the blue NB Auto also hooked me up with a set of 17" RacingHarts off his MazdaSpeed (FREE!! ) They were a silver with some rash, but took them to a local guy and had him powdercoat them Titanium, slight rough texture. IMHO, they turned out great.

Emilio also clued me in as why NOT to PC alloy rims due to annealing factors making them weak - I had no clue and luckily I did not do it on my 6uls - doubtful these will see anything but street pavement.

Just 1 of the set - in shade and in sunlight...
These will go on the NB and it will be painted a titanium/black combo - tsatefully of course




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Old 10-30-2012, 05:16 PM   #2
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Those look nice. I might do that to the ones on my speed aswell because the PO rashed all four of them and they have areas I cannot seem to get clean no matter what.
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Old 10-30-2012, 06:45 PM   #3
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What did it cost you to have them powder coated per wheel?
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Old 10-30-2012, 08:03 PM   #4
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There's a reason why the rims were given away free - they're bloody heavy and make the ride extremely harsh.

I want to kick the marketing guy in the nuts that decided to put 17" rims on the MSM. Most MSM guys "upgrade" to 15" rims and count that as one of their best modz (me included).
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Old 10-30-2012, 08:37 PM   #5
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Yup. 17's are terrible.
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Old 10-30-2012, 08:40 PM   #6
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Horrible weight - horrible. I can't wait to rock 'em
He also gave me the msm's suspension too - no **** sucking - just a reach around.

Its cost me $50/rim.

On a side note - the daily is more for looks/fun over funstionality - that's the job of the track car. I just wanna be like Doppelganger.
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Old 10-31-2012, 10:20 AM   #7
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At least to me, 17s on a Miata make it look like a donk.

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Old 10-31-2012, 10:23 AM   #8
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Quote:
Originally Posted by GeneSplicer View Post
On a side note - the daily is more for looks/fun over funstionality - that's the job of the track car. I just wanna be like Doppelganger.
Big heavy wheels with tiny sidewalls feel like doo doo. Esp daily driven over crappy bumpy roads.

Unless you don't care about comfort?

I'm not trying to bum you out about em, just warn you that it might not be a bad idea to ditch them while they're all pretty. I had a set of 17's on my 1st miata when I just got it....Took em off after just 1 week.
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Old 10-31-2012, 10:26 AM   #9
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The 17's are definitely too large and heavy but they aren't terrible wheels. However, I am not spending $50 a wheel to make them prettier. Guess I'll just have to wait until I can afford some 6UL's or konig flatouts.
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Old 10-31-2012, 08:29 PM   #10
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I'll take your words guys - will let you say 'told you so' later - if it's any rougher than the koni/GCs 500F/300R rates I had on the '93 on 15s, then I'll get rid of them.
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Old 10-31-2012, 08:33 PM   #11
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$50 per wheel is not a bad deal. I just spent just over $60 a wheel for powder coating a set of 15x7 jeep wheels.
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Old 11-01-2012, 03:17 PM   #12
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:(

I think I pull off 17"s pretty well....
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Old 11-01-2012, 09:35 PM   #13
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Quote:
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:(

I think I pull off 17"s pretty well....
I think I'd "pull them off" too - LITERALLY!
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Old 11-02-2012, 09:21 AM   #14
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Your toilets spin backwards, so your opinion doesn't count.
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Old 11-02-2012, 09:30 AM   #15
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lol - haters be hating... my feelings are hurt gays.... no, not really.
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Old 11-02-2012, 02:46 PM   #16
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More info on the annealing plz?
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Old 11-02-2012, 08:05 PM   #17
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Quote:
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Your toilets spin backwards, so your opinion doesn't count.
AWWWW, C'mon, is that all you got?

I love your car but 17" rims on an MX5 are for photo-shoots and hard-parkin' builds only, their ride/handling is crap.
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Old 11-02-2012, 09:08 PM   #18
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With some sawzaw treatment you can probably make them work pretty good.
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Old 11-03-2012, 04:44 AM   #19
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i have always wanted a set. I dont know what i just thought a set on my 01 brg would look good since i have the msm lip.

let me know if you hate them i may take them off your hands.
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Old 11-06-2012, 09:01 AM   #20
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Quote:
Originally Posted by sixshooter View Post
More info on the annealing plz?
I see differing views on PCing alloy rims - guess it depends on what kinda of material it's composed of... I wouldn't do it with rims that would ever see track/autox time though.

A little thread from m.net [NB] Powdercoating weakens wheels? - MX-5 Miata Forum not that this makes his words 100% accurate...

Quote:
Many of the cast aluminum wheels use an alloy that is pretty much in line with a 6061 type composition (reasonably corrosion resistant) and for those in a -T6 type condition, I would expect the effects to be minimal. If we look at the strength at temperature and at the residual strength loss tables following exposure in the MIL-HDBK-5/MMPDS for 6061-T6 following exposure at 400° F for , there is a knockdown in ultimate tensile strength (Ftu) of about 4% and pretty much no knock down in tensile yield strength (Fty). Flipping over a couple of pages to the effect on percent elongation, again pretty much no impact which would tie in with the information regarding Fty.

Even if we bump the exposure up to ten hours at 400° F, the residual strength knock downs are still in single digits for that material. I realize that we are talking wrought product vs cast product and there are some behavior differences but in general, they follow the same trends. I know that there are some wheels out there made from casting alloys that instead of being solution heat treated and aged (the -T6 above for example) are solution heat treated and overaged as part of the production process (generally done to increase corrosion resistance but at the expense of strength) and I would expect to see more problems with those if run through an additional heat cycle.
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