[s-cars] Ideas to Increase mpg?

Robert Myers bob at chips-ur-s.com
Sun Jun 14 13:45:29 PDT 2009 

*This message was transferred with a trial version of CommuniGate(r) Pro*

Hey, Chris,  I wasn't recommending the process, just saying it can be 
done with little effort.  I agree with you.  I made a run of several 
hundred miles to Road Atlanta and back last Septober.  Drove my RS2ed 
urS6 and, by going easy on the loud pedal, averaged something like 
28.x MPG on that trip.  The drive wasn't all that much fun but it was 
fairly economical.

Bob


At 04:40 PM 6/14/2009, chris chambers wrote:
>*This message was transferred with a trial version of CommuniGate(r) Pro*
>
>Why go back to a stock chip?
>I have Pastore's "RS2" chipset and get 25-27 mpg on the highway.
>
>I doubt there is a stock UrS4/S6 that gets any better MPG... ;-)
>
>Sure switch to a different tuner's chip but why go stock...You did 
>buy this car to enjoy right? ;-)
>
>Chris
>
>
>--- On Sun, 6/14/09, Robert Myers <bob at chips-ur-s.com> wrote:
>
> > From: Robert Myers <bob at chips-ur-s.com>
> > Subject: Re: [s-cars] Ideas to Increase mpg?
> > To: "Jerry Scott" <jerryscott at wispertel.net>
> > Cc: "s-car list" <s-car-list at audifans.com>
> > Date: Sunday, June 14, 2009, 4:34 PM
> > *This message was transferred with a
> > trial version of CommuniGate(r) Pro*
> >
> > Jerry,
> >
> > As long as the pull-out OEM chip is not damaged and the
> > pins are
> > pretty clean and more or less free of solder residue then
> > putting it
> > back into a socketed ECU is no problem.  What may be a
> > small problem
> > is that chip upgrades usually include a three bar pressure
> > transducer
> > change from the OEM 2.5 bar PT.  That must also be
> > reversed.  No big
> > deal if you have or can get one of the 2.5 bar PTs.
> > They are readily available
> >
> > Bob
> >
> >
> > At 03:57 PM 6/14/2009, Jerry Scott wrote:
> > >*This message was transferred with a trial version of
> > CommuniGate(r) Pro*
> > >Dave
> > >I'm not sure that you can put the original chip back,
> > since the after market
> > >chip was probably put into a socket that was soldered
> > in.  The original chip
> > >might fit the socket, but I'm almost sure that it was
> > originally soldered
> > >directly to the circuit board.
> > >Jerry
> > >----- Original Message -----
> > >From: "David Kase" <dkase at dorma-usa.com>
> > >To: "Tom Green" <trgreen at comcast.net>;
> > <s-car-list at audifans.com>
> > >Sent: Saturday, June 13, 2009 9:13 PM
> > >Subject: Re: [s-cars] Ideas to Increase mpg?
> > >
> > >
> > > > Hah!  Indeed "respectfully" is my slow
> > transition back into the
> > > > irresistible S-list...
> > > >
> > > > Indeed, keep your foot out of it.  That
> > makes the biggest contribution I
> > > > have seen in my B5.
> > > >
> > > > I will investigate the fuel mileage thieves you
> > have mentioned.  O2
> > > > sensors I am sure are gone, the ignition is fresh
> > but I will check for
> > > > leaks in the intake. This is a new path for me
> > and I believe worthwhile.
> > > > I don't think I will give up on the C4 just
> > yet.  The kids and wife like
> > > > it so I might as well embrace it.
> > > >
> > > > AFA the chips - I was just thinking of replacing
> > the whole thing with a
> > > > stock ECU.  Seems to messy and chancy to try
> > an chip swap again.
> > > >
> > > > I appreciate your reply and candor.
> > > >
> > > > Dave
> > > >
> > > >
> > > >
> > > >
> > > > -----Original Message-----
> > > > From: s-car-list-bounces at audifans.com
> > on behalf of Tom Green
> > > > Sent: Sat 6/13/2009 9:10 AM
> > > > To: s-car-list at audifans.com
> > > > Subject: Re: [s-cars] Ideas to Increase mpg?
> > > >
> > > > Ok, what did you do with the real Dave
> > Kase?  He couldn't even spell
> > > > Respectfully.  : )
> > > >
> > > > I don't think you see much here on mpg because
> > it's difficult to
> > > > compare, so usually meaningless.    You
> > have this S6 with little
> > > > invested in it, so I can see it is tempting to
> > think you
> > > > can essentially get a free vehicle by changing
> > cars.  But, I think the
> > > > reality is different if you move to an
> > unknown.  The fuel savings is
> > > > so dependent on the price.  If you are
> > making
> > > > a purely economic decision, just ride the bus.
> > > >
> > > > I think you can get to 25 mpg average for your
> > commute since you can
> > > > generally avoid stop and go driving.  I
> > would start with the basic
> > > > tune of the engine before I would spend
> > > > money on the ECU.  You can probably find
> > some stock chips for little
> > > > dough, but are they socketed? Are the TAP chips
> > socketed in the ECU?
> > > > Who is going to do this swap?  How
> > > > much?  It's going to take a lot of commute
> > to pay for the swap so can
> > > > you expect enough gain in mpg?
> > > >
> > > > I would look elsewhere for the culprit that is
> > stealing my mileage.
> > > > If it is your right foot, at least you are
> > getting something for your
> > > > money.  Faulty temperature sensors, O2
> > sensors,
> > > > dirty injectors, dirty MAF and intake, leaking
> > vacuum hoses, etc. rob
> > > > the mileage with nothing in return, and these are
> > areas you can attend
> > > > to without paying labor costs.  There is
> > also the added benefit in
> > > > performance and longevity for the well tuned
> > engine.  I admit that
> > > > payback for a few parts can be lengthy at 5 mpg,
> > but you have
> > > > immediate benefits in the performance too.
> > > >
> > > > Tom
> > > >
> > > >
> > > >
> > > >> -----Original Message-----
> > > >> Date: Fri, 12 Jun 2009 21:32:23 -0400
> > > >> From: "David Kase" <dkase at dorma-usa.com>
> > > >> Subject: [s-cars] Ideas to Increase mpg?
> > > >> To: <s-car-list at audifans.com>
> > > >> Message-ID:
> > > >> <058B1C4576896745AB96826AB59CFC380879A9 at rmdc2.usa.dgna.net>
> > > >> Content-Type: text/plain;
> > charset="iso-8859-1"
> > > >>
> > > >> I did a 7 month search in the archives and
> > did not see a thread
> > > >> related to fuel mileage.
> > > >>
> > > >> I am keeping my B5 S4 as a secondary car and
> > am currently doing some
> > > >> upgrades to it.  My recently purchased
> > S6 is doing dd duty.  I have
> > > >> a 60 mile round trip each day and at 20 mpg,
> > I could stand better
> > > >> fuel mileage.  I do 55 of the 60 miles
> > on the open highway.
> > > >>
> > > >> I was thinking of selling the C4 and buying a
> > TDI (saving ~$100/
> > > >> month) but I just don't think I will enjoying
> > driving it everyday
> > > >> (Probably a 99-02 Jetta).  I also am
> > considering a 1.8T A4.  But, I
> > > >> figure if I can get the mileage better in the
> > S6 then I will just
> > > >> keep it.  I'd love to get over 25 mpg
> > but I don't know if it is even
> > > >> possible.
> > > >>
> > > >> Step 1 - go from CRAP (TAP) ECU to
> > stock.  Then what?
> > > >>
> > > >> No matter what I do I know I will be rolling
> > on the power from time
> > > >> to time.  It seems like you can never
> > get that mileage back over a
> > > >> tankful.
> > > >>
> > > >> Respectfully,
> > > >> Kase
> > > >
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