12-30-2020, 02:13 AM
Butch's Bore Shine, although there will be others that do as good a job (like JB).
For a few years we used Holden Top End carburetor cleaner (no longer made). Any soot removing product for engines should work if you can find it - probably cheaper too.
For a few years we used Holden Top End carburetor cleaner (no longer made). Any soot removing product for engines should work if you can find it - probably cheaper too.