With all due respect, higher octane gas does not contain more power, it
actually resists pre-ignition and detonation better. It burns more slowly,
thereby allowing you to run higher compression and more spark advance. It
resists spontaneous "blowing up" and spot ignition (where some of the gas
ignites ahead of the flame front), that leads to detonation. If your engine
does not require higher octane gas, using it is a waste of money!
Greg Burrows
Eric Frisbee wrote:
> 100 Low Lead... my dad was a flight instructor and still an avid pilot.
> Incidentally, a gallon or two of that in your roadster tank does wonders!
> :)
>
> Eric
> ----- Original Message -----
> From: Gary K. McCormick <svgkm@halley.ca.essd.northgrum.com>
> To: <SPL311RDST@aol.com>; Datsun Roadster List
> <datsun-roadsters@autox.team.net>
> Sent: Wednesday, May 29, 2002 8:28 AM
> Subject: [OT]Av Gas - Was Re: vapor lock revisited .... "winter gas"
>
> > 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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>
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