Check out the Bill Hirsch paint web sight. Any cast iron blocks that are
free of oil and a flaky scale can be wire brushed and then painted with
their engine enamels. No primers necessary
on cast iron. That would be the block and heads on our engines. Steel
items should be primed.
I am a user and had good results with that process on my Healey engine.
Remember, not all
engine enamels are NOT equal. The Hirsch engine enamels encapsulate and
adhere to light surface rust very well.
Your on your own after you use the soda blast.
Mark
----- Original Message -----
From: "john spaur" <jmsdarch@sbcglobal.net>
To: <healeys@autox.team.net>
Sent: Monday, January 16, 2012 9:29 PM
Subject: [Healeys] Engine cleaning
>I had my block cleaned at a machine shop and because I was not able to
>paint it right away there is some light rust on the outside.
>
> If I use soda to blast it away should I be concerned if some of the soda
> gets into the oil galleries?
>
> I can clean the galleries with solvent but I am curious to know if the
> soda might harm the bearings once everything is back together.
>
> Tank you,
> John Spaur
> San Jose, CA
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