Acid Dipping Engines

[rfkellner at snet.net (Rick Kellner)]

Larry, two questions, first does the alkaline solution affect the
intermediate shaft bearing or will it still have to be replaced when you
'tank' the block?  Second, is the alkaline tank also used on the
aluminum heads too?  I have had success cleaning heads with Purple
Power, which is probably a weak alkaline.
Thanks, Rick.


-----Original Message-----
From: scirocco-l-bounces+rfkellner=snet.net@scirocco.org
[mailto:scirocco-l-bounces+rfkellner=snet.net@scirocco.org] On Behalf Of
Larry Fry
Sent: Saturday, June 11, 2005 8:27 AM
To: Mark F.; haygood@myway.com
Cc: scirocco-l@scirocco.org
Subject: Re: Acid Dipping Engines


Most machine shops that hot tank engines and heads these days use a
"friendlier" strong alkaline solution.  Doing research on chemically
stripping car bodies led me to believe that most facilities that
"tank" cars also use a strong alkaline solution vs. acid as well...
Mark.


Mark is correct.  A strong alkaline will remove everything but the
metal. 
You do NOT want to indiscriminatly remove metal from a block, which acid

would do....bearing surfaces and even cylinder bores must be virginal.
Let's be careful out there.

Larry
sandiego16v 


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