I'm wanting to powder coat my cylinders the traditional black, and I was wondering in what order do I go about this. Do I first machine the cylinders for the new pistons, then powder coat, or do I powder coat and then machine the cylinders. A real chicken or the egg type question.
Post by Thorny81Special on May 5, 2005 21:32:45 GMT -5
I'm not a super engine guy, but my two cents would be that the cylinders themselves need to be clean anyway, can't powder coat anywhere the pistons are gonna be moving. I'd say powdercoat it and then machine it. Getting the outside coated shouldn't effect the cylinders as long as you cover the parts you don't want coated. Machining it afterwards would garantee that there's no powercoat in the cylinders.
I dont remember where I read it but any "paint' coating more than 0.015" ( fifteen thou) acts as insulation and does not help cooling. Any idea how thick powder coating is? ( it definately looks better and more durable) PJ
There are three types of people in the world, those who can count and those who can't I dabble in rocket science, when I'm not picking my nose
As far as the inside goes, I believe they can mask it off like regular paint, I had a ford 9 inch powder coated and it looked like it was masked off. I'm more concerned with the baking process they use and if it will warp things to a point of needing a re hone.
I don't know about it being an insulator, I read an artical somewhere that said it acts like a heat sink and helps dissapate heat, but I don't remember where I read that, or if I read it right at all. (For all I know you could be right, and it traps heat.... that would suck)
Any thoughts on the baking process?
Thanks for the replies guys I do appriciate the info
Last Edit: May 5, 2005 22:47:47 GMT -5 by Maynster
Post by JoelSchmenge on May 6, 2005 7:19:27 GMT -5
In reference to everyones questions and concerns about powder coating cylinders I submit the following. Checkout www.procryo.com as this is where I have had my frame, swing arm, cylinders, and soon rims, exhaust, and other items coated. Dan Evans owns the company and does most of the work himself and did a bang up job on all my stuff. He is also a wealth of knowledge on the matter of heat retention and heat dispersion in different coatings and there applications. Check out the website and give a look at the "CRYO" and "REM" processes. Talk about some awesome stuff. Anyways I told him about this site and the group and if you guys mention XS-650 Garage maybe we can begin to get discounted work for all the members. Tell him Dave Morgan from Atlanta building the Flat Tracker sent ya'... Hope this helps ... Later Y'all...
I had a set of cylinders for a Harley 45 powder coated (red) and over time they discolored and bubbled around the exhaust ports. When I had them done the coater said he couldn't guarantee it would last because the powder coat material melts at around 450F and the jugs get hotter than that.
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