Gary,
100LL "blue" replaces 100/130 "green" (leaded) avgas.
The old "A/B" rating system was performance under lean/rich conditions.
- Bob
"Gary K. McCormick" wrote:
>
> I was at an airshow over the holiday weekend and was watching while they
>topped up the
> tanks in one of the aerobatic aircraft that was performing. I noticed the
>"100LL"
> designation on the fuel truck and was wondering - is that a designation along
>the lines of
> octane rating? And if so, what does that correspond to in octane?
>
> Gary McCormick
> San Jose, CA
>
> PS - When I raced motorcycles in high school (Sherman, set the wayback
>machine for 19--...
> ) av gas from the pumps at the airport was the hot setup for the guys looking
>for that
> little edge over the competition!
>
> SPL311RDST@aol.com wrote:
>
> > <snip>Also... if you do have a "seasonal" car and keep it
> > stored - try going w/ avgas- 100LL. <snip>
> >
> > Laurie :-)
> > 70 SPL311
> > AzROC
> > Chandler, AZ
>
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