02-18-2018, 09:28 PM

billkinney billkinney is offline

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Join Date: Jan 2006

Location: Okeechobee Fl

Posts: 59

100LL avgas

I bought a rebuilt 400 from a machine shop with a 3 year warranty. It ran well for 400 miles. I put it in storage for 3 months. When I started it up it broke a valve, piston and cylinder. The shop asked what kind of fuel I used. "93 no ethanol for 100 miles and 2 tanks of avgas 6 months before". He said the avgas dried out the valves and another $4000 would fix it. What's your opinion?
Bill

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