Fuel economy and improving it, among other things.

[marc at getty.net (Marc Getty)]

My $0.02:

1. Take off all ricer wings!

2. Dunno about my Scirocco, but on my old C230 93 octane got a bit better
fuel economy then 89 did. It was useful for long 400+ mile between stops
highway trips, because I could stop less often, thus keeping my miles per
day higher. My analysis showed that while it provided better fuel economy an
thus better range, it did cost more per mile, which is why I only used 93 on
long highway trips.

2. Can anyone recommend a fuel injector/carbon build up ?ber-product that
may help?

My '83 California Edition 1.8L JH gets like 28-29 on daily driving an 31 to
33 highway. Unfortunately it's small 10.6 gallon tank destroys my range. :-(

-Marc



-----Original Message-----
From: scirocco-l-bounces+marc=getty.net@scirocco.org
[mailto:scirocco-l-bounces+marc=getty.net@scirocco.org] On Behalf Of GGehrke
Sent: Friday, July 01, 2005 9:36 AM
To: Scirocco list
Subject: Fuel economy and improving it, among other things.

So in the 43-whatever-mpg thread a couple people were saying they got over
30mpg on their sciroccos (w/o diesel motors).  I've been keeping a close eye
on my mileage and such since I fixed my speedometer (day before cincy) and
have not been able to get those sort of numbers and it's been essentially
100% highway miles.

Since then I've gone 1174 miles on 41.731 gallons of 89 octane.  That comes
to 28.1mpg.  Between individual fills I'm usually around 27.5. 
The other day on my drive home I drove for a while with nothing but fuel
economy in mind for one stint across KY and went 150 miles at 30.08mpg, but
that required driving strictly 65 +/-5 mph, being extremely conscious of
hills, very slow smooth throttle changes, and even drafting behind trucks.

Is this as low as I feel like it is for the engine?  What can I do to
improve it.  I have one more 600 mile pull left at the end of this summer,
and I'd really like to get the best mileage I can.

Yesterday I changed my air filter (still just a paper filter), cleaned my
fuel return line (someone wrote about it as the "tip of the year"
or something on vortex), and fixed my alignment.  I might pick up a bottle
of fuel system cleaner today at autozone cause they're cheap and I haven't
done it yet.  What else is there to do?

And a spinoff question: What else can I do to my car now thats cheap/free.
I am going to replace my exhaust gaskets and do some body work, but other
than that I'm basically out of stuff to work on!  I have a ton of free time
and need ideas :)

-Grant-

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