loggyboy
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| posted on 15/8/13 at 10:47 PM |
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finishing hub faces
Im looking at powdercoating my rear hubs this week and was wondering if it would be best to leave the face the disc mounts to unfinished.
[Edited on 15-8-13 by loggyboy]
Mistral Motorsport
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chrism
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| posted on 15/8/13 at 11:59 PM |
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I would say yes, as even a small variance on the flatness of the hub face gets exagerated further out on the wheel, and would mean your wheel would
not be spinning true.
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A little hard work never killed anyone, but why take the risk!
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britishtrident
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| posted on 16/8/13 at 06:41 AM |
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Avoid a thick coating on either the hub to disc face or the hub to wheel face.
Avoid anything that gets in the way of heat transfer the wheels act as as heat sink for the brakes.
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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adithorp
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| posted on 16/8/13 at 10:36 AM |
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Yes, leave them uncoated.
99% of "warped discs" are actually just crap between the disc and hub face. Just the slightest amount of Rust, grit, grease or I guess
even paint cause it not to seat evenly enough.
"A witty saying proves nothing" Voltaire
http://jpsc.org.uk/forum/
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loggyboy
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| posted on 16/8/13 at 11:14 AM |
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Cheers all.
Nicely finished rear and copper slip to the bare metal it is then!
Mistral Motorsport
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adithorp
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| posted on 16/8/13 at 12:19 PM |
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quote:
Originally posted by loggyboy
Cheers all.
Nicely finished rear and copper slip to the bare metal it is then!
Officially they should be dry (no grease). We've never had any issues with just the slightest smear of copper-slip. No more than a smear though.
"A witty saying proves nothing" Voltaire
http://jpsc.org.uk/forum/
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loggyboy
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| posted on 16/8/13 at 12:29 PM |
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Why technically none? What the disadvantage?
Mistral Motorsport
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adithorp
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| posted on 16/8/13 at 12:33 PM |
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The heat from the brakes could/will melt it will be spun out and potentially get onto the braking surface. If it's applied unevenly then the
disc doesn't sit flat/flush and you get vibration on the brakes (sounds unlikely but I've seen it happen).
"A witty saying proves nothing" Voltaire
http://jpsc.org.uk/forum/
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britishtrident
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| posted on 16/8/13 at 12:42 PM |
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And is better not to use Coppaslip between the hub and wheel as it doesn't really stop the wheel seizing on, the best stuff to use is
aluminum-graphite anti-seize compound sometimes sold as Aerial Assembly Paste.
Various brands available but I have a big tin of Delta 515 which I bought after reading a LandRover service Bulletin on stuck on alloy wheels, it
works a treat I have never had any alloy wheels stuck on after using it.
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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