What is the best way to clean intake/exhaust valves?
#4
I suppose you could soak them in degreaser(any type that smells bad) for a few days. Any baked on carbon doesn't normally come off very well by just using spray cleaners. Mine didn't have any buildup at all after 74k miles so I have never tired to clean any to know exactly what works well.
Jeff D.
Jeff D.
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