Re: Sea-foam, MMO, or fogging to help sticky valves?
MMO in the fuel is my cure for sticky valves (usually in engines sitting for many months). Back in the '80s I worked as a mechanic and we would install MMO oilers that fed MMO into the intake manifolds of the trucks and other equipment from the local steel mill (lots of idle time and many ran on LPG). Never had any problems.
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1929 (early) Model A Special Coupe - restored to original
1964 Buick Wildcat convertible
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