[T3] great weekend drive

[Bryon Garvin]

It's FI

And it was all pretty much sea level except going over 1 pass which was
probably barely over 1000 ft.

On Tue, Sep 6, 2011 at 4:56 PM, Keith Park <topnotch at nycap.rr.com> wrote:

> High altitude will bump gas mileage up to those levels, but otherwise it
> would be running too lean to do that, Id worry about overheating on the
> highway on warm or hot days.  You may want to look into getting a AFR gauge
> on it to make sure the carbs are set up properly.
>
> Keith
>
>
> Top Notch Restorations
> topnotch at nycap.rr.com
> http://www.a383ina68.addr.com/radiorest/main.htm
> 71 Squareback "Hothe"
> 65 Notchback "El Baja Rojo"
> 65 Squareback "Eggcrate"
> 87 golf "Winterat"
> 93 RX7 "Redstur"
>
>
> -----Original Message-----
> From: type3-vwtype3.org-bounces at lists.vwtype3.org
> [mailto:type3-vwtype3.org-bounces at lists.vwtype3.org] On Behalf Of Jim
> Adney
> Sent: Tuesday, September 06, 2011 10:30 AM
> To: type3 at vwtype3.org
> Subject: Re: [T3] great weekend drive
>
> On 5 Sep 2011 at 23:12, Bryon Garvin wrote:
>
> > I did have the 12 point star driver and a torque wrench and did them to
> 25
> > ft-lbs.  I think I read that right in the Bentley.  If did that wrong,
> > please tell me.
>
> I just checked, too, and that's exactly right.  ;-)
>
> > I felt that it was tremendous mileage and much better than I expected.
> But
> > I guess if it matters, remember that it was ethanol-free, 92, and I was
> > driving no more than 60 mph because of the roads that I take to get there
> > and probably 1/3 of it was around 50 mph.  There was a somewhat of a
> > tail-wind on the way, but really, I was fighting some buffeting from the
> > side most of the way there.  I'd basically say "no" to having a tailwind.
>
> Your 34 mi/gal still seems high. I did tests a few years ago driving
> at 65 and 60 and got about 28 and about 29 respectively (with gasohol
> in an AT '73) but I was driving the same cars in the 70s when almost
> all gas was ethanol free and never got close to 30 unless I had a
> tailwind. Ethanol has about 10% less energy content and there's maybe
> 10% ethanol in your gas, so the overall difference in energy content
> is 10% of 10%, which is only 1%, or less than we can usually measure.
>
> The change in energy content only becomes noticable with high
> concentrations of ethanol, like E85, which you shouldn't be using.
>
> If your odometer was slipping, that would reduce your mileage, not
> increase it. Filling the gas tank to the same level, before and
> after, is critical to this measurement.
>
> > I'm interested to hear your response Jim because currently, this would be
> > the best mileage I get out of any of my cars on the highway and that
> > includes my 96 Jetta.
>
> I'm surprised, but pleased, that your Jetta doesn't do better. Which
> engine does it have? If it usually goes on trips where you can travel
> at 70 mi/hr +, then that makes a significant difference.
>
> > I'm going to keep driving to this station and running 92 ethanol-free
> just
> > to see what the around-the-town mileage is.  I don't mind paying that
> money
> > at this point if I'm getting that kind of return on the investment.
>
> The 21 mi/gal you get around town is exactly what I get around town,
> so that seems to indicate that there's nothing really wrong with your
> car. If your car is an MT, then that would give you a couple mi/gal
> edge, especially on the road.
>
> I hope you'll do more trips and get us more data. I'll be pleasantly
> surprised if the 34 mi/gal number holds up as a long term average.
>
> --
> *******************************
> Jim Adney, jadney at vwtype3.org
> Madison, Wisconsin, USA
> *******************************
>
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