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Re: [GMCnet] porous aluminum tranny pan [message #324301 is a reply to message #324287] Sun, 24 September 2017 09:10 Go to previous messageGo to previous message
powerjon is currently offline  powerjon   United States
Messages: 2446
Registered: January 2004
Karma:
Senior Member
Ken,
I would also be concerned about the solvent resistance of the ceramic paint over the Glyptal. Eastwood has a similar paint that is good to 650F and they also have it is a 455 Olds color Item# 51683ZP. I would test with ATF, Brake fluid and gas to see if there is any degrading of the paint.

JR Wright
78 GMC Buskirk Stretch
Michigan

> On Sep 23, 2017, at 10:58 PM, Ken Henderson wrote:
>
> Well, good, bad, or indifferent, I've chosen a path with my Ragusa pan.
> After last nights 2 hours at 500*F, I cleaned the pan a little more,
> Scotch-Brite-ing off the few remaining non-aluminum bits. Then washed it
> down with chlorinated brake cleaner and dried it with compressed air.
> Shiny bright with no hint of petroleum products on the surface.
>
> Rather than wait for a glyptal order, at $49.99 per quart, I decided to
> risk something else: 500*F Duplicolor Ceramic Engine Paint. I gave it 3
> good coats, 10-15 minutes apart, then put it in a 300*F oven for 4 hours.
> We'll see tomorrow how it looks. I expect it to be "pretty", and hopefully
> have a hard, smooth, finish coat on it.
>
> I don't know how to evaluate the durability of the coating except to use
> it. I may let it sit overnight in the yard with gasoline in it or
> something similar to see if there's any deterioration. It not, then it
> will be time to install it and hope.
>
> I'm not doing this completely in the blind. A lot of 'net research
> revealed that a lot of different people report having good luck using a
> wide variety of paints inside engines. Rustoleum seems to be a favorite.
> While I have used various of their products over the years, I'm generally
> not a fan, so I explicitly chose another brand -- which I just happened to
> have on hand.
>
> Rest assured, everyone will hear about it if it costs me a transmission
> some years down the road. :-)
>
> Ken H.
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J.R. Wright
GMC GreatLaker
GMC Eastern States
GMCMI
78 30' Buskirk Stretch
75 Avion Under Reconstruction
Michigan

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