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Date:         Tue, 18 Apr 1995 12:23:14 -0700
Sender:       Vanagon Mailing List <vanagon@vanagon.com>
From:         "Erik Soule"  <erik@henries.nsc.com>
Subject:      Re: mpg, was Retro-f. F.I.

Doesn't engine friction generally decrease (until the tail-end of the engine's life anyway) as time goes on? The mileage on our Jetta has gone up 1-2 mph gradually in the nearly 4 years that we've owned it.

-Erik

In message <9504181456.AA26962@lenti.med.umn.edu> writes: > On Tue, 18 Apr 95 09:45:29 CDT Marcus Doherr said: > >This has been discussed thoroughly last fall. Here's my experience: > >1980 Vanagon with Pop top, 2.0l F.I., Man. Trans., no extras > > -> 15-17 mpg on short trips > > -> up to 22 or 23 mpg on long highway runs (60-65 mph) > > well, see, i'm getting a little worried about my bus. the mpg has been going > UP for the last 16,000 miles. to such an extent that the AVERAGE for 86,000 > miles has risen 0.2 mpg. now, to me, that's a lot (for the long term average) > ... and it worries me. for years, it plodded along at 19.4 average. now it's > creeped up to 19.6 and gives every indication of going to 19.7 this summer. > > yeah, i know: don't look a gift horse in the mouth. but this bothers me, > if it was going down, then i'd know something was wrong and i'd had some > ideas. but this! i don't think i'm driving that much slower. i don't think > i'm driving any less in town. the ONLY thing i can connect to this is that i > started using those Bosch triple-electrode plugs just about the time the mpg > started going up a little. ??? coincidence?? maybe the plugs just suit my > driving style better? maybe the old plugs were that much wrong?? > maybe they've done something to the gasoline around here? maybe my bus is > really a Democrat?? ;) > > arrrrrrrrrrrrrrrrggggggggggggggghhhhhhhhhhh!!!! old folks hate change!! :) > > anyway, i'm getting up to 21-22 on the highway now. and 17-18 in town. > > subject to change without notice.

NSC Analog Automotive Systems Tel. (408)721-3476 Fax (408)721-8292 M/S C2611


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