Archie Frangoudis wrote:

In the old days of cast iron cylinder head, and intake manifold use,
we used hydrochloric, and concentrated it in the areas of removal.
The finish is terrible, but  appeared more like a natural casting
which made the operation less detectable.
archie

:-) :-) We used to dip whole car bodies in the
hey day of trans am racing.

Maybe the heat transfer will be good.

Thanks for the tip Archie. I'll see if I can dig some up.
This does not look that hard. Maybe Gerry Hess can get a
few pounds out of his one rotor.

Paul Lamar
 
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