Since your engines were designed to run on leaded petrol there should be
no problem at all running on aviation petrol. If you use the recommended
oils there should be no problem either.
It is correct to replace al rubber parts with modern items as the old
rubber is usually not resistent to modern fuels. This is a very common
cause of gum and debris in your fuel. Also replace plastic connectors or
T-pieces in the fuel line if still present. They will break up to
causing a fire hazard.
Kees Oudesluijs
Bob Spidell schreef:
> Well, avgas doesn't have alcohol in it, if that's what you mean. But,
> I think you'd have problems running exclusively on avgas, as it still
> has lots of lead in it. It would likely foul your plugs and/or rings
> (with elemental lead) eventually, esp. since I doubt modern auto oils
> are formulated to scavenge lead (Mobil AV1 full synthetic aviation oil
> was pulled from the market due to it not scavenging lead properly and
> causing some engines' rings to gunk up). Plus, avgas is up to twice
> the price of auto gas, you'd have to transport and pump it, you'd owe
> the gov't road taxes, etc. It has a lower Reid Vapor Pressure than
> autogas, and would make for hard starting in a cold climate.
>
> Best bet, if you're worried about it, is to replace rubber components
> with modern parts. I'm sure I've run some gasohol in my BJ8 since you
> can never be sure, and I've had no problems.
>
> bs
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