Jerry Eichenberger
Serious Thumper
Offline
2006 S40. OEM windshield, saddle bags, Sportster
Posts: 2919
Columbus, Ohio
Gender:
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I concur with Charon. I am a current commercial pilot, flight inbstructor, and I own an FBO, so I know a little about 100LL (that's 100 octane, low lead).
100LL is the only leaded gasoline left, and it exists only because certain airplane engines require the 100 octance rating. Some of the older engines, like on warbirds and the old piston engine airliners, actually required 130 at one time, but by altering the ignition timing, they can be run on the 100LL.
Why introduce lead into an engine not designed for it? Stuck valves, fouled plugs, and lead in the oil are all the results of using lead where it wasn't intended?
Some old, smaller airplane engines were designed to use 80 octance, and now that we only have 100LL gas for aviation, lots of those engines are fouling and their valves are sticking as a result, since 100LL still has 4 times more lead in it than the old 80 octance did.
Stay with mogas.
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