101 Octane

["Lewis, Gary M" <Gary.Lewis@West.Boeing.com>]

It's Saturday, wife's at work, I'm out driving my 86 Audi 5000 cst 5
speed.  Just joy riding (I've only had it 2 months).  Low fuel light has
been on 40 miles.  I'm waiting for the tank to get low 'cause I saw a
TRICK gasoline sign at a Texaco station near work.  I haven't thought
like this since I sold my 1969 Z28 17 years ago.

So I put in 5 gallons of 101 octane.  I didn't fill it up ($4.00 a
gallon).  Immediately get on Freeway.  Drive 40 miles.  

Noticeable difference.  Smoother idle.  Smoother acceleration.  Boost
came on and stayed on sooner and longer(great fun).

Question:  Does car advance timing for better gas??  Or is it just that
I have an old engine with 193K miles??  Any other comments??

BTW, I wish I could afford to put this stuff in the car all the time.  I
do use only 92, though.

Gary,
1986 5kcst 5sp