[T3] great weekend drive

[Bryon Garvin]

Got to check the mileage today and I got, on this tank, 22 mpg.  That's
probably 65/35  city/hwy.

I'd say I'm not running lean then?  That seems to be in the "zone" for mpg,
yes?

 - Bryon, '71 Fastback MT/FI

On Sat, Sep 24, 2011 at 8:27 PM, Jim Adney <jadney at vwtype3.org> wrote:

> On 24 Sep 2011 at 12:23, Bryon Garvin wrote:
>
> > Ok, just returned from a 30-45 minute drive running errands.  I pulled a
> > spark plug and here's photos of it's condition.  I'm not too good at
> knowing
> > what it should look like normally or what it would look like if it was
> > running lean.
> >
> >
> https://picasaweb.google.com/lh/photo/W9DATbMjFMdymPmLT060TIf_qYKoZb-Wp8u9KAAaYRU?feat=directlink
> >
> https://picasaweb.google.com/lh/photo/n_v7t4RD0L8UeJGl1-eL7of_qYKoZb-Wp8u9KAAaYRU?feat=directlink
> >
> https://picasaweb.google.com/lh/photo/qpi-1wktQpKLTdQQI70ny4f_qYKoZb-Wp8u9KAAaYRU?feat=directlink
> >
> https://picasaweb.google.com/lh/photo/89bjJJ0vBYWYjPAldbEswIf_qYKoZb-Wp8u9KAAaYRU?feat=directlink
> >
> https://picasaweb.google.com/lh/photo/sXXsdTH5XS_II8wcQOIakYf_qYKoZb-Wp8u9KAAaYRU?feat=directlink
>
> You are looking for the color of the inside end of the ceramic
> insulator. Yours look a bit light to me, but that could be due to new
> plugs and not enough driving time. There's no sign of melting of the
> sharp corners of the ground electrode, nor are there beads of melted
> stuff on the insulator, so that's good news.
>
> Your one tank of high gas mileage certainly sounded extreme, but I'd
> wait to see if it repeats.
>
> My last tank got 12 mi/gal. I don't understand that, either. It's so
> low that I suspect my tank got syphoned, because otherwise it should
> be leaking out somewhere, but I see no drips. My VR is regulating
> nicely, but maybe I need to check the timing again. I've been having
> some trouble with the timing moving, so maybe that's it, or perhaps
> it's just a fluke of some sort and will never happen again. If I get
> 2 tanks in a row like this, then I'm worried.
>
> --
> *******************************
> Jim Adney, jadney at vwtype3.org
> Madison, Wisconsin, USA
> *******************************
>
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