Re: Fuel Economy Survey

[Tony Lum <tlum@flash.net>]

At 11:59 AM 10/27/99 -0400, you wrote:
>I have a Palm Pilot with software to track mileage data.  I've been through
>about 88 tanks of gas.  I dumped the data into a spreadsheet and here's what
>I found.
>Would anyone care to comment on these numbers?
>Some of you must be tracking averages.  How do I compare?
>
>1989 Audi 100 with about 188,500 miles on it.

Hi David,

I'm not surprised, the NF high compression engine makes more torque at 
lower rpm with higher octane fuel.  The ignition maps are different based 
on knocking present.  My NG engine (basically the same) gets 89 octane gas 
and gets a calculated (actual miles/actual gal) of 28 MPG.  I've gotten the 
trip computer to register as high as 30.3 MPG at a steady 70 MPH. Then 
again, the CGT is much lighter.

Regards,

--
Tony
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Tony Lum                                  1987 5000CS Turbo Quattro
Berkeley, California, U.S.A.                1985 4000CS Quattro
Audi Owner/Driver/Mechanic by Necessity ;^)   1980 5000S Sedan
QCUSA Member #6885                             1987.5 Coupe GT
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