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Re: [GMCnet] porous aluminum tranny pan [message #324287 is a reply to message #324267] Sat, 23 September 2017 21:58 Go to previous messageGo to previous message
Ken Henderson is currently offline  Ken Henderson   United States
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma:
Senior Member
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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Ken Henderson
Americus, GA
www.gmcwipersetc.com
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