How 2 paint aluminum cased t-case/tranny??? - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 08-12-2003, 08:47 PM Thread Starter
 
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How 2 paint aluminum cased t-case/tranny???

I plan on painting the cases of both my tranny and t-case and both are aluminum. I want them painted black to give the rig a cleaner look underneath. But is there a trick to painting aluminum??? I'm going to clean the case spotless (yes, it will be clean!!!) and scuff it a bit with a wire wheel. The paint I was going to use was the Duplicolor Engine Enamel. I haven't read the can but I figure it was meant for aluminum engine blocks too so it should work for me? Any thoughts or tips???
Thanks! [img]images/graemlins/grin.gif[/img]

Cheers,
Steve
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post #2 of (permalink) Old 08-12-2003, 09:53 PM
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Re: How 2 paint aluminum cased t-case/tranny???

SHould work fine. The only problem with black is you can't see oil leaks. When I raced we used to paint it all white. Of course if your trying to hide the leaks black is good [img]images/graemlins/grin.gif[/img]
post #3 of (permalink) Old 08-12-2003, 11:59 PM
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Re: How 2 paint aluminum cased t-case/tranny???

I sprayed my trans down with a citric acid used to clean air conditioning coils than shot it with rustolium Hammered grey
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post #4 of (permalink) Old 08-13-2003, 10:46 AM
 
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Re: How 2 paint aluminum cased t-case/tranny???

Steve,
Use "alumabrite" [may be called something else depending on which brand u get] but, its basically just a aluminum cleaner[hydroflouric acid]. Look in the catalog that I sent to you with the paint, you will find it there. the duplicolor hi temp paint is good and there should be no adhesion problems but, i agree with what some one before me said about your color choice. Black will be hard to spot leaks, u should beable to find other colors of high heat paint or engine enamel. btw, did you ever paint your zuk? I thought i sent you a bottle of the alumabrite that we make along with the clear and primer a few months back.


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post #5 of (permalink) Old 08-13-2003, 12:24 PM
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Re: How 2 paint aluminum cased t-case/tranny???

Powder coating?????
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post #6 of (permalink) Old 08-13-2003, 01:07 PM
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Re: How 2 paint aluminum cased t-case/tranny???

Hey Hemo,

Since you're gonna go through all that trouble to clean it and scuff it why not just polish it? no paint, weathers nicely and you can go as sparkley as you want.


Just a thot,
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post #7 of (permalink) Old 08-13-2003, 04:44 PM Thread Starter
 
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Re: How 2 paint aluminum cased t-case/tranny???

Hey Nolan. I haven't yet started on painting the Zuk. Still have to get the body on, cut it, weld it, then I'll be ready. And I'm still working out some fine details with the t-case and such. It's been slow to say the least but it's getting there. BTW, there was no cleaner, or aluminum stuff in the packages. Just primers and clear?

I was thinking of polishing it or painting them another colour but as I mentioned, I really want to hide them as much as possible. I like the idea of it being all black under there [img]images/graemlins/cool.gif[/img] But I agree, leaks will be impossible to see.

I've got a whole host of acids available to me in my lab. Actually, there are a number of solvents or chemicals I could use to clean it but I don't think I'll need them. It's funny because I remember by late biotech prof used to be a real car buff. He was into restoring the classics like the Austin's and such. Anyway, he used to always bring in parts he was restoring and clean them with hexane. I could try that? These cases are pretty clean now so I don't think I'll need to go to that extreme but it couldn't hurt.

Cheers,
Steve
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post #8 of (permalink) Old 08-14-2003, 09:54 AM
 
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Re: How 2 paint aluminum cased t-case/tranny???

I was under the impression it was a bad idea to paint aluminium engines and drivetrain stuff. They aren't painted form the factory right? They do this for a reason, I think it has to do with heat dissapation maybe? If it wasn't painted from the factory I say leave it that way.
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