Most high octane fuels have less potential energy than low octane fuels,
especially if they have alcohol in them - more fuel is needed to do the
same work.

At 05:06 PM 24/02/2000 -0800, Joseph Tu wrote:
>   Since we are  discussing fuel so much, I was wondering... Do we notice a
> increase in fuel economy when we use higher octance fuel? A power
>increase?  Any increase? well besides cost obviously. I use 92 octane 76
>fuel consistently, for me it makes a difference, the engine makes more
>power,  smoother too.   Joe

--   David Marshall -                    - Quesnel, BC, Canada   --
--    78 VW Rabbit, 80 VW Caddy, 84 VW Westie, 85 VW Cabriolet   --
--       87 Audi 5000 Quattro, 88 2.0L VW Syncro Double Cab      --
-- David's Volkswagen Home Page        http://www.volkswagen.org --
-- Fast Forward Autobahn Sport Tuning  http://www.fastforward.ca --
-- david@volkswagen.org (pmail) or vanagon@volkswagen.org (list) --