Greg, you're exactly right. That's why it's important to keep your RPM around 1000 while taxiing in after landing until shut-down. Those long idling periods allow the lead to collect on the valves and plugs.
Syd Cohen NC94196 Wausau, WI > The spark just isn't > enough to > fight that battle. What fights that battle properly is raising the combusion > temp and > intensity to a degree that keeps the lead suspended in the vapors in the > chamber and > causes it to be blown out as a semi-liquid rather than condensing on the > plug > and > valve. > > Greg
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