[Fwd: MRC Chip Feedback]

[Chuck Pierce]

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  Patrick
Read this.
Mihnea is a regular lister that took the time to figure out how these
cars work and came up with his own chip.

Chuck Pierce
91 200tq 29v Avant



-------- Original Message --------
Subject: MRC Chip Feedback
Date: Tue, 08 Jul 2003 16:41:56 +0000
From: "Jobe Tichy" <bimmer_dude at hotmail.com>
To: 200q20v at audifans.com



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I have had the MRC chip set in my 200 20v for about a month now.  This is the
chip set developed by fellow lister Mihnea Cotet (mik at backus.info.fundp.ac.be[1]) and
my experience with the setup has been very, very positive.

The car is now a freight train in the city.  I do mostly city driving so I am
very pleased with how the boost develops in the lower gears.  After dialing in
the wastegate about 6 turns down, the boost comes on very strong and really
pulls the car around town.  First gear is very "cleaned up," if you will.
Driving the urS4 and the 200 20v, I always have thought that first petered out
way too early and really didn't have any staying power in accelleration.  Stock
first gear just really "launched" the car forward and required a very rapid
shift to second.  With the MRC developed chip, first gear adds a lot more.
Also a benefit in city accelleration is that I can see 21+psi boost in second
gear, which is just awesome!  The car remains very refined in the city driving
and this is my favorite part of the chip.

As through the rest of the rev band, this chip set is very, very linear as
seen by the "seat of the pants" experience as well as my analog boost gauge.
The boost comes on all the way to full boost every shift very smoothly and is
not choppy.  As stated before, the wastegate dialed in has helped deliver the
boost even quicker (which is fun).

Freeway driving is a new experience with these chips.  Cruising at highway
speeds (60mph-70mph) fifth gear is tall enough and the rev is low enough that
the car doesn't creep up in speed.  I have had the creep experience in other
turbo cars when the car is at freeway speeds and not in vacuum, but in boost,
and you have to watch your speedo.  Not the case here, nor was it an issue
stock.  I find now that fourth gear is my favorite gear for 60mph-70mph for
rapid boost delivery and one hell of a rapid accelleration to overtake any
car.  Having the car in fourth gear at these speeds won't rob much gas because
the MRC chips have been developed with fuel economy in mind (I don't know what
the fuel numbers are, and I really don't care so I haven't done any MPG
efficiency tests).  Also in the city, the car LOVES higher revs than I used to
make when stock.  All shifts are now well over 5,000 rpm because there's so
much more power to be had.  Most of my shifts in stock form were around
3,000-4000rpm.

As stated above, I have dialed in the wastegate spring to provide a quicker
boost delivery, and I think the chip set likes having it dialed in around 6
turns.  This is just my opinion and would suggest it to anyone else to just
try it out.  Another issue these chips bring along is a BRAKE requirement!  I
have really been using my brakes now to hunker that big car down with all the
more accelleration.  (So, brakes sound like a next project to me:))

Finally, the reason why I went with these chips is because the developer
drives a 3B engined quattro.  This was really important because the proper
research and development went into the chips from someone who has the very car
that I do and who also has the same power/increase/effeciency goals that I do.
Also, because the developer is a fellow lister, and an enthusiast,  he has
proven to provide very, very good customer service that I have suggested to
other non-200 turbo quattro owners.

These are my thoughts and will provide any specific responses if anyone would
like.  Other than that, Mihnea would be able to handle the rest.

Happy turboing....

JOBE






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===References:===
  1. mailto:mik at backus.info.fundp.ac.be
  2. http://g.msn.com/8HMDENUS/2728??PS=

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