Hello: The
reason for using aviation gas is that it has a 15 year+ shelf life while
normal pump gas goes sour in less than a year with the current
formulation. Also current fuels are hard on carb seals and other
rubber type products. Unfortunately, I think that it is illegal to
put avgas in anything other than an airplane. We use a Nascar type
racing gasoline and add stabil. It can be purchased at many racing
shops. We have had no problems. It is more expensive but so
is rebuilding carbs and fuel pumps and boiling gas tanks.
The NASCAR fuel you may be talking about is what is used
here by drag racers and is refered to as "blue gas".
Here, you can take a 55 gallon drum top our airport and fill it up at
$2.25 a gallon. No problem.
They don't seem to care what it is used for and I think the octane is
about 105.
I don't use it but some collectors do.
Danny
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