[AJD] 1st Tractor

[Merle W. Johnson]

Ron,
Sounds good to me.  I try to winter-over everything with a dry fuel system.
Sta-bil helps but not much.
Merle

Ronald L. Cook wrote:

> Merle,
>         I understand the "slower burn" of the higher octanes.  My posting had
> to do with my "overwintering" engines to prevent varnish, etc. that you
> find from aeromatic fuels.  These engines are not working.  Some don't
> even run until spring.  My 4020 works in the winter on the snow blower
> and loader.  It gets tractor gas.  My spray plane is the source of the
> av-gas.  Just drain some out and fuel the engines that are to sit.
> Works great, and in the spring, just gas 'em up and go.  20 plus years
> doing this.  No burned valves yet in anything other than the Franklin
> engine in my Stinson.  It doesn't get along with 100 octane unless
> operated at high revolutions and that bugger is timed at 32 degrees BTC!
>   But I sure wouldn't park it all winter with tractor gas in it.
>
> Ron Cook
> Salix, IA
>
> Merle W. Johnson wrote:
>
> > Ronald
> > The lube part is fine.  One common misunderstanding is that higher octane
> > fuel burns faster.  Just the opposite.  The higher the octane, the slower the
> > burn to prvent detonation.  So, if not properly timed with enough spark
> > advance to permit the combustion to take place in the cylinder, it is still
> > burning when the exhaust valve opens and results in a burned exhaust valve.
> > Merle
> >
> > Ronald L. Cook wrote:
> >
> >
> >>Why would it be hard on valves?  The valves should like the lead.  No
> >>plugged up carburetors and no sooted up spark plugs as you get with the
> >>crappy unleaded stuff nowadays.  Just pretty expensive.  Now over 3
> >>bucks a gallon at the fuel truck.
> >>
> >>Ron Cook
> >>Salix, IA
> >>
> >>Merle W. Johnson wrote:
> >>
> >>
> >>>Humm!!!  Little hard on valves.
> >>>Merle
> >>>
> >>>Ronald L. Cook wrote:
> >>>
> >>>
> >>>
> >>>>Robert M. Massengale wrote:
> >>>>
> >>>>
> >>>>
> >>>>>Dennis,
> >>>>
> >>>>I wonder how that "B" would do
> >>>>
> >>>>
> >>>>>on 100 octane?
> >>>>
> >>>>Robert, I keep 100 octane in all my "overwintering" fuel tanks.  From
> >>>>lawnmowers to airplanes.  Of course the pickups with the catalytic
> >>>>converters don't get the leaded fuel but everything else does.  No need
> >>>>for fuel stabilizers.  I don't have a "B", but my "A"s go for it just
> >>>>fine.  Smells good when they are running, too.<g>
> >>>>
> >>>>Ron Cook
> >>>>Salix, IA
>
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