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Getting around to see what can be done about the lead
fouling sparkplugs causing the infamous "SAG". 1st experiment was to
place the used spark plugs in a 30% solution of Hydrogen Peroxide. I did
that and place the plugs and solution in an ultrasonic cleaner, turned it on and
left it on for 1 hour.
It appeared to clean everything off the plug - but, the
lead. So far the only chemical my research has indicated would dissolved
metallic lead is Nitric Acid. Nope, not going to try that, I'll stick with
buying new plugs.
But, thought I would let folks know of the results.
I was really hoping the ultrasonic vibration would shake the lead crystals off
the ceramic cone of the plug - but either the idea is flawed or the small
jewelry cleaning size ultrasonic generator is simply not powerful
enough.
Ed
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