[s-cars] New MRC chips

[Richard Tanimura]

Aaron,

I have a '91 S2 with 39 k miles on it. I'm the second owner. It is
completely stock w/ 5 speed box.

This is just the beginning,

Rich



-----Original Message-----
From: Aaron [mailto:aaront at cox-internet.com]
Sent: den 14 maj 2003 19:20
To: Richard Tanimura
Cc: s-car-list at audifans.com
Subject: Re: [s-cars] New MRC chips


Richard
Tell us more about about your motor.  Is it otherwise stock?
Thanks
Aaron

Richard Tanimura wrote:

>I finished the repair of my start motor yesterday and put in the new MRC
>chips I got from Mihnea. I have new belts, new top gasket, R&R:d hydraulic
>and coolant pump and starter. The car was ready for testing.
>
>I have a 3B. I told Mihnea I wanted chips that put my car as close to an NA
>motor as
>possible. Not a racing motor exactly, I wanted drivability and a broader
>torque band, but responsive with as little lag as possible. I asked for a
>2,5 bar MAP instead of the 3 bar. In Sweden there is 95 and 98 RON pump
gas.
>I run 95.
>
>The first run was for groceries - literally. Good test, drivability is
>great. Your grandmother could drive this car and would never know it was
>tuned if she stayed off WOT. Very pleasant, tractable motor. I was actually
>a little worried because it was so tame in town.
>
>The second, third and fourth runs were successively harder. I think boost
>comes on a bit earlier than before. But it is also more obvious that the
K24
>runs out of
>breath at the top end. But this is the more an issue of the
>compressor and not the chip. WOT in third is a definite "feel good". I was
>seeing 1 - 1,1 bar at WOT. This is for fast on ramps and it will send you
>past anything in the slow lane in a hurry.
>
>The freeway was crowded as usual at rush hour. Not much room to really run.
>What is fun is pulling into the passing lane at the same time as a car a
>hundred yards ahead and seeing how fast you run up his tailpipe. Pedal to
>the metal from 130 to 160 kph is much faster than before. Or holding the
car
>tight in a carousell in 2nd and nailing it at the exit point. Yowza!!
>
>There is a funny flat spot between 160 and 170 kph. It is noticable because
>the car heisitates slightly and then picks up again. I don't know what this
>is but I will have to work it out with Mihnea. It is also noticable that
the
>K24 compressor is starting to lose it at these speeds. The car accelerates,
>but the real bang is gone. Or maybe there is more to tweak :-)
>
>Last run was from standing still. There is definitely more grunt in 1st. I
>am not a stop light jockey so this is not really my thing, but the red line
>comes so fast in 1st that you risk missing your shift. 2nd flies past too.
I
>was getting 1,2 bar for short times.
>
>For those still waiting for your goodies, I would really like to compare
>notes when they are installed.
>
>Rich
>
>
>_______________________________________________
>S-CAR-List mailing list
>S-CAR-List at audifans.com
>http://www.audifans.com/mailman/listinfo/s-car-list
>