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This is Topic: Audi UrS4/S6
Following are the News Items published under this Topic.



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Rumors of a Garage Queen Track Car...
Posted by: admin on Tuesday, May 03, 2005 - 04:31 PM
Audi UrS4/S6 Frank and the Garage Queen Track CarWhat is that ear splitting noise in the distance?  Well.... if you're a resident of the Denver, Colorado area it just might be "Da Don's" car!

It seems that our old friend Frank "Da Don" Amoroso has equipped his UrS4 with some sort of top secret yet super loud (tm) exhaust system for track use.  Now the yellow engine accents aren't the o­nly thing that is loud about Frank's ride.  Ah, to be an introvert in Colorado!

Another rumor is that Frank doesn't drive his UrS4 much anymore.  This is in fact TRUE.  Frank has taken a liking to automotive journalism and now spends most of his commutes in manufacturer test cars while his UrS4 sits... alone... neglected... longing for attention in his garage.  (How about that for a guilt trip Frank?)  The UrS4 does get to come out to play from time to time although Frank admits that the o­nly time the car has been out in recent memory is to attend track days... hence the coining of a new (to us) term of "garage queen track car". 

Once again, Da Don is an innovator without even trying....  ah, crazy Colorado introverts!  ;-)


Note: Editor's note: We're still hoping to obtain some audio or video documentation of Frank's new 'super loud' exhaust system...
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Press Releases: S-CARS.ORG To Take Over UrS4.COM
Posted by: admin on Tuesday, May 03, 2005 - 04:13 PM
Audi UrS4/S6 UrS4As many of you probably know, UrS4.COM was originally spun-off from the S-CARS.ORG web site when UrS4.COM founder, James (Home Depot) Pribble, stepped up and decided he had too much free time and wanted to devote his life to organizing the UrS4/S6 data floating around cyberspace.  Over the years, UrS4.COM has come to be known as THE niche site for the lunatic fringe known as UrS4/S6 owners. 

Recently, you've likely noticed that UrS4.COM has undergone a significant change from the old UrS4/S6 uber site to a personal blog of sorts detailing Jimmy's ersatz S2 project.  Well, UrS4.COM will live o­n as you o­nce knew it... Jimmy is moving o­n to other projects in life but the site he created will live o­n here at S-CARS.ORG.  In the next 2-3 weeks we hope to have the UrS4.COM web site relocated to our server.  Those of you who miss the UrS4 site of old will o­nce again be in luck...  stay tuned!

Want to thank Jimmy for all his contributions to the S-Car community over the years?  Feel free to post your comments following this article (use the link at the bottom right).

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Pollen filter replacement
Posted by: Anonymous on Monday, April 04, 2005 - 02:10 AM
Audi UrS4/S6

The following link is a step by step photo guide (no text):
http://www.mann-hummel.com/mf_prodkata_all/einbau/HBOSN09yFcw.pdf



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Ownership Reports: The Great UrS4/S6 Survey... owner input needed!
Posted by: admin on Thursday, March 24, 2005 - 03:36 PM
Audi UrS4/S6

UrS4This survey is meant to assist those trying to establish the history of their 20vt 1992 to 1997 "C4" bodied Audi S-car (S4 and S6) and the features that were provided by the factory at the build date. In addition, there are questions designed to illustrate trends in modifications and failures. We trust that you will value the results of this survey and provide accurate data, to the best of your knowledge.  Be careful not to accidentally change your answers by using the scroll button o­n your mouse.  If you have more than o­ne S-car, please do o­ne survey for each car.  This survey is fairly long, so make sure you have time and grab a cup of coffee.


Click here to get started!



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1995 Audi S6 Engine Production Number Chart
Posted by: admin on Sunday, March 20, 2005 - 12:01 PM
Audi UrS4/S6

1995 Models  2.2 Liter AAN Engine 

01.06.1994

AAN 014 985

30.06.1994

AAN 015 031

31.07.1994

AAN 015 316

31.08.1994

AAN 015 483

30.09.1994

AAN 015 716

31.10.1994

AAN 015 972

30.11.1994

AAN 016 268

31.12.1994

AAN 016 507

31.01.1995

AAN 016 808

28.02.1995

AAN 016 927

31.03.1995

AAN 017 338

30.04.1995

AAN 917 503

31.05.1995

AAN 018 210

30.06.1995

AAN 018 678



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UrS4/S6 Model Changes
Posted by: admin on Saturday, February 12, 2005 - 08:23 PM
Audi UrS4/S6

S4/S6 Model Changes

     This is an overview of the changes made to the UrS during its model run.  Allow for "phasing in" and "phasing out" as well as some unique Hans und Klaus combinations.  Avants may have unique configurations.  Model Years are for US cars.



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General UrS4/S6 wheel notes
Posted by: admin on Thursday, January 06, 2005 - 12:15 PM
Audi UrS4/S6 Because there are so many wheel options available, I am going to focus mostly o­n factory wheels and perhaps a couple of other favorites.

The Avus Wheel

     The Avus six-spoke wheel gets special recognition because it seems to be THE S-Car wheel.  The Speedline Avus became standard fitment o­n all later 1995 UrS6s and now, all current S-Cars come equipped with identical Avus wheels, differing o­nly in size amongst the models.  This seems to be a definite effort o­n Audi's part to associate the Avus wheel with the S-Car.  



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Wheel Well Liner Modification, Using a Vent From an Audi S4 (B5)
Posted by: admin on Thursday, January 06, 2005 - 12:14 PM
Audi UrS4/S6

FRANKENLINER!

FRANKENLINER!

Wheel Well Liner Modification, Using a Vent From an Audi S4 (B5)

Day 1

     I got the S4tt wheel well liner yesterday and got into the project after lunch today.  The UrS4 liner comes out easily (once you see the single black screw o­n the upper wheel well lip).  o­nce the liner is out you can see how poorly the airflow through the intercooler really is.  There is no clear way for the hot air to get out of that area.  I bet that whole area is slightly pressurized and there is very little flow of cool air through the intercooler.  Now I understand why people were looking at the S6+ front bumper with an eye to mounting a larger intercooler beneath the bumper.



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FAQ Content: General Notes on the UrS-Car Fuel Leak
Posted by: admin on Thursday, January 06, 2005 - 12:11 PM
Audi UrS4/S6

Feuer!

     05.11.00 - Unintended Conflagration?  This 1992 S4, known to have had the fuel leak for which this model has been recalled, burst into flames and was destroyed, according to David Toppin of the S-Cars list.  No injuries were reported.    

Photos supplied by David Toppin



General Notes o­n the UrS-Car Fuel Leak

     This is very important! The fuel leak occurs near the turbo, which creates a potentially grave fire hazard!  The leak can be found where the hard line and braided steel line join, aft of the fuel filter o­n the passenger side of the car.

1. Do not drive the car!
2. Have the car flatbed towed to the nearest Audi dealer.
3. Contact Audi of America immediately:

Audi of America
3800 Hamlin Road 
Auburn Hills, MI 48326
1-800-822-2834 (North America)



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FAQ Content: Brake upgrades for the S4/S6
Posted by: admin on Thursday, January 06, 2005 - 12:10 PM
Audi UrS4/S6 Upgraded brakes are o­ne of the most desirable modifications for the S4/S6.  The UrS is a very heavy, very powerful car, which dictates that the car be fitted with very powerful brakes.

• Pads/Rotors

     I acquired a set of stock Zimmerman rotors (slotted fronts), a set of Kerr Friction endurance racing brake pads, and some ATE Super Blue Brake Fluid from Paul Weston of Weston Motorsports for $499 + shipping.  I placed my order late (close to the track date), but Paul made sure everything got to me quickly, so that I would have time to install everything and break-in the pads.  Paul was also very helpful during our telephone conversations, answering numerous questions about his products and giving advice about braking systems and brake setup in general.

     o­n the track, the brakes performed flawlessly.  They never faded o­nce, ever, even o­n Turn 1 at TWS (125mph down to 65mph).  It's gotta be da shoes, or in this case, the pads that made the difference (I didn't use the ATE SB fluid, but rather an ordinary Castrol product).  I was very impressed.  Admittedly, the car was o­n undersized (205), worn, all-season tires, so I'm not sure they would return the same performance with the current sticky ZR 245 width tires.  However, I also never dipped into ABS, so there is also still performance to go.

     If you are not in the market for big brakes (perhaps for financial or wheel fitment reasons), I would highly recommend looking into this upgrade as an affordable alternative for the track.  Note: the racing pads are much too noisy for street use.  BTDT.

Jimmy Pribble (Owner/Managing Editor, UrS4.com)

Paul Weston
wmsbrakes@aol.com 
Weston Motorsport
PO Box 2213
Boothwyn, PA 19061
(888) 558-0631

• BIRA (Braking Improvement Research Association) - http://web.archive.org/web/20021019140100/http://www.bira.org/

System 1

Uses Porsche Boxster 4-piston monobloc caliper over the 1999 Audi A8 312x25mm rotor. Fits under 16" wheels.

System 3

Uses the Porsche 996 Carrera 4-piston monobloc caliper over the European A8 314x30mm rotor. Fits under 16" wheels.

System 6

Uses the Porsche 996 Turbo 4-piston monobloc caliper over the Porsche 993tt/GT-3 322x32mm rotor ring. Requires custom (BIRA-supplied) rotor hat.

We also offer "upgrade" brackets for Movit-design owners to replace your old 993tt-based brakes with the new Porsche 996tt monobloc caliper o­n your existing rotor/hat combination. Install the new Turbo calipers for the price of rebuilding your 993tt older calipers.

Contact Greg Amy at BIRA for details.  Complete BIRA kits can be purchased from QRS Motorsport. (QRS Motorsport is in part owned by Jimmy Pribble, the owner of this site).

BIG REDS - by far, the most popular brake upgrades for the UrS are built around the 2-peice Porsche/Brembo 4-piston, aluminum caliper from the Porsche 993tt.  These calipers are commonly referred to as "Big Reds" (BR).  

Big Reds peeking out from behind a beautiful Mille Miglia Cup-style wheel.



Movit
http://web.archive.org/web/20021019140100/http://www.ultimategarage.com/
Brembo/Porsche 993TT “Big Red” 4-piston calipers
322x32 mm Porsche GT2 rotors
mounting brackets, Porsche street compound pads, stainless steel brake lines

Note: Movit now has a kit which includes the new 996tt caliper.  Please contact the vendor for more information.

Click o­n the photos to enlarge the images.  Warning!  These are large files!  They will open in a new browser window.

Movit Kit

fig. 1fig. 2fig. 3
fig. 4fig. 5fig. 6

fig. 1 - OEM s6 pad & rotor vs. 993tt

fig. 2 - Movit Brackets

fig. 3 - Movit 993tt rotor, custom hat

fig. 4 - 993tt pad left, 996tt pad right, the 996tt is allegedly a couple of percent bigger (78 sq. cm vs. 75 sq. cm) but when you place then face to face, my eyes told me the 993tt had a little more pad area (although the 996tt was taller). Either way, it's about a push.

fig. 5 - Calipers - 996tt monoblock (top) vs. 993tt "Big Red" (bottom)

fig. 6 - 996tt vs. 993tt again. The monoblock is smaller, but the pistons are the same size.  Loaded, the 996tt save approx. 1.5 lbs per side. ( 9.5lbs vs. 11lbs for the 993tt)

Robert Pastore



RevSport
Dave Jones (719) 471-4103

Brembo/Porsche 993TT “Big Red” 4-piston calipers
314 x 30 mm Zimmerman rotors (drilling or slotting available for free)
steel mounting brackets, Porsche pads, stainless steel brake lines

Note: RevSport also has a kit which utilizes the Audi S8 (323 x 30 mm) rotor and RS2 bracket.  Please contact the vendor for more information.

Click here to enlarge image.     Click here to enlarge image.     Click here to enlarge image.

RevSport Kit, AUDI Euro 314 X 30 cross drilled and cad plated (click to enlarge), note wheel stud modification.  Photos by Scott Betzold.

RevSport details:

     They have been tried and tested and it looks like we have a real winner!  The laws of physics dictate that this simply won't be the awesome braking of the Move-It kit or the AP kits, but the price is not stratospheric and it WILL work with the stock 16in S4 and S6 wheels....and of course they really do haul the car down in a BIG WAY! :-)  Also note that the brakes will work with V8's and 91' 200's that do not have the UFO brakes as long as you have 16in wheels.

     Here are the detail, for those of you that don't already know: the kit will consist of 2 brand new Porsche "Big Red" calipers (a.k.a. 993 twin turbo calipers), 2 Zimmerman 314x30 rotors (with your option of drilling, slotting or plain), 2 custom machined caliper brackets (they are steel to avoid and possible problems with cracking or breaking), o­ne set (of four) stainless steel brake lines for the front and rear, o­ne set of Genuine Porsche brake Pads (they have been chosen for the ability to do everything well....stop, low dust, and no noise) and all mounting hardware.

     We would like you to have as many options as you see fit for your own personal needs, therefore the kits aren't going to be a stocking item (.I.e. we can't ship the same day you request it).  Here's how we visualize this working, you are going to call up and tells us what you want and pay for half of the kit, when we get them in, you will be notified and o­nce the second half is paid for, we will ship that day.

     When you order the kits, some of the things that we will need to know are: Do you want slotting, drilling or plain disks?  Do you want Cadmium plating o­n the rotors (an extra $15 per rotor and available in black, silver or gold), do you want to opt for the black calipers instead of the reds (again, it's an additional charge because Porsche actually charges us MORE for the black than the red), maybe you want PFC pads instead of the Porsche pads...who knows. All I am saying here is we want this to be YOUR brake package and no two people are going to have the same taste or opinion o­n what they want.

     Now for the part that you have all been waiting for....what's all this going to cost me?  Well, as it stands right now, the entire kit without shipping or installation is going to be $1600.00.  Drilling or slotting o­n the rotors is free or if you want them plain that is an option too (it doesn't cost less, it's just another option).  If you are in Colorado, installation is available for $100 and that includes bleeding and flushing the brakes.  If you are outside Colorado, count o­n $30-$40 for shipping (depending o­n where you are located).

Ben Howell



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