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Kirkham Motorsports

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  #1 (permalink)  
Old 06-17-2009, 07:11 PM
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Default annodize vs powdercoat

Hi My friends,I want to change the spinner color to gold. Can anyone tell me if anodizing or powdercoat is prefered? They are bolt on.Thankx Johnn G.
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Old 06-17-2009, 07:36 PM
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try gold plating........
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Old 06-17-2009, 08:01 PM
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Anodizing places a dye kinto the underlying material. It's often not very durable, and can easily be damaged by nicking. There's no way to repair those small nicks and have it blend in.

PC actually coats the part, like a paint. But it's a very tough material, that's also flexible. When you do damage it, it's fairly easy to repair.
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Old 06-17-2009, 08:25 PM
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I agree with Bob that powder coating is the way to go. There are 2 types of Anodizing for Alum. 1. Hard Anodizing is a very hard coating that is that actualy builds thickness of .002 at a min. The Problem is that is does not dye well. 2. Sulfuric Anodizing take color well but is not very durable because the coating adds just .0002 of thickness.
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Old 06-17-2009, 10:37 PM
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I prefer the anodize but if the spinners are cast rather than forged or bar stock you'll probably end up with a blotchy irregular coloring.
Jim
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Old 06-18-2009, 06:07 AM
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Thanx everyone for their input.I will go with Powdercoating.Again,thanx
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Old 06-18-2009, 07:12 PM
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Anodizing is the only way to go.
- Hardens surface - never scratches
- Good color
- Permanent

Originally 2002:



Now in 2009:


No problems!
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Old 06-18-2009, 09:41 PM
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I agree that anodize is the best thing to do. Yes it puts a small thinkness on the part but it is very durable.
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Old 06-19-2009, 03:38 AM
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Quote:
Originally Posted by jojoegen View Post
Thanx everyone for their input.I will go with Powdercoating.Again,thanx
The down side of powder coating is a chip allows moisture to get underneath and corrode with no visable indication.

A lot of later xj6/xj12 had the lower front spring support powder coated, and the first sign of trouble was the spring hitting the ground. And we don't use salt on our roads in NZ.

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Old 06-21-2009, 01:15 PM
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wow,Guess I'd better think this one out before doing anything.Thanx all.Thanx larry for the email also.Johnny G. Love this site.Car should be done just after London show.Then the questions will really flow.Thanx again everyone.Johnny G.
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