Quote:
Originally Posted by supramacist
Most shops will give the head a light soda blast to make it all smooth and like minded.
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Are you serious? New one to me. I really can't imagine how that would serve any more purpose than cleaning off the rest of whatever carbon was still stuck to the valves so you think you're getting your money's worth.
BTW, you seen that they now make equipment for blasting with pulverized dry ice? No mess! Oh, and it's cold, so it's the safest thing to use on sheet metal!