What is ok to use on my K-301 aluminum head and gasket to clean off the carbon?
Just wanted to get more opinions on this. I've read and heard where some people use a dull putty knife, wire and brass brushes, etc. The manual calls for only wood or plastic scrapers. My plastic putty knife really doesn't do much - gets dull right away.
I have a small wire and brass brush, if that would be ok to use. Or would some sort of solvent - carb cleaner, etc. - do the job?
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