[alfa] re: cast aluminum clean-up

[Joe Elliott <jee@xxxxxxxxxxxxxx>]

At 9:13 PM +0000 9/4/03, alfa-digest wrote:
> Date: Thu, 4 Sep 2003 15:34:28 EDT
> From: GModelle@domain.elided
> Subject: [alfa] cast aluminum clean-up
>
> Gentle Alfisti,
> Today the crankcase, sump and front timing cover came back from the machine
> shop where they were hot-tanked. The results were not-so-hot. The aluminum has
> staining that the tank treatment couldn't remove. Has anyone on the Digest
> been successful with other cleaners/brighteners? I've been cautioned 
> against some
> caustic cleaners that turn aluminum black. Thanks.
> modelle in somers point
I'm not sure what the hot-tank procedure involves, but it sounds like 
it should get rid of some pretty stubborn gunk.  There are all kinds 
of readily-available, highly-toxic degreasers out there that can 
remove some stains from cast aluminum.  I happen to be a fan of a 
product called Citrol.  It's non-toxic, but I've been amazed at some 
of the stains and crap that it can take off metal.  In fact, I like 
the stuff so much (and it's so hard to find) that I convinced my 
summer employer to sell it through their web page. It's at 
http://stores.yahoo.com/closeoutsuperstore/cibide16.html if you're 
interested.  (I can't claim *no* financial interest, but I'll say 
that it's the lowest-markup item they sell.)

Joe Elliott
'82 GTV-6
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