Re: Airplane Fuel in 1970
One other thing Mike didn't mention about Avgas (100LL) is that it is a very dry fuel. What the big difference is between Avgas and pump gas is that Avgas comes off the cracking tower at a higher level/temperature which "removes" some of the oil from the finished product. It also has all the stuff that burns (benzine, butane, propane, etc) left in it. Plus it has some lead left in it for top cylinder lubrication. But don't be fooled, in a automotive engine that isn't designed to burn this stuff your problem won't be pinging, it'll be the holes it will burn in you pistons. It burns much hotter.
One other thing Mike didn't mention about Avgas (100LL) is that it is a very dry fuel. What the big difference is between Avgas and pump gas is that Avgas comes off the cracking tower at a higher level/temperature which "removes" some of the oil from the finished product. It also has all the stuff that burns (benzine, butane, propane, etc) left in it. Plus it has some lead left in it for top cylinder lubrication. But don't be fooled, in a automotive engine that isn't designed to burn this stuff your problem won't be pinging, it'll be the holes it will burn in you pistons. It burns much hotter.
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