Audi 90 imsa gto audi


Audi 90 quattro IMSA GTO

Heckansicht des 90 quattro IMSA GTO Cockpit des 90 quattro IMSA GTO

Der Audi 90 quattro IMSA GTO (intern R5) ist ein Rennwagen der Marke Audi, der 1989 in der amerikanischen IMSA-GTO-Rennserie eingesetzt wurde.[1] Er sollte nach vorangegangenen Erfolgen im Rallyesport und dem Gewinn der ebenfalls in den USA angesiedelten Trans-AM-Serie 1988 mit dem Audi 200 quattro Trans-AM die Überlegenheit des quattro-Antriebs auch auf der Straße demonstrieren. Er ist der einzige werksseitig von Audi eingesetzte Rennwagen auf Basis des Audi 80/90 B3.

Antrieb

Der 90 quattro IMSA GTO wird von einem vom Audi Sport quattro S1 Pikes Peak abgeleiteten turboaufgeladenen 5-Zylinder-Aluminium-Reihenmotor mit 2,2 Liter Hubraum angetrieben, der hier allerdings bis zu 530 kW (720 PS) leistet. Die Kraft wird über ein 6-Gang-Getriebe, bei dem ein Gang aufgrund des IMSA-Reglements gesperrt ist, und dem permanenten Allradantrieb Quattro auf die Straße übertragen.[2]

Karosserie

Die Karosserie des 90 quattro IMSA GTO weist zwar Ähnlichkeiten mit dem Serienmodell Audi 90 auf, hat jedoch außer dem im Reglement festgeschriebenen Serienstahldach mit diesem nichts gemeinsam. Die Karosserie besteht aus einem Gitterrohrrahmen, auf dem die Außenhaut aus Kunststoff aufgebracht ist. So konnte das Gewicht auf 1206 Kilogramm reduziert werden. Im Vergleich zur Serienversion ist der Rennwagen stark verbreitert und mit einem Heckspoiler, auf schnellen Strecken mit einem zweistöckigen Heckflügel, ausgestattet.

Technische Daten

Audi 90 Quattro IMSA GTO
Fahrzeugtyp Prototyp
Motorbauart R5 Turbomotor
Hubraum 2190 cm³
Leistung ca. 530 kW (720 PS)
Drehmoment 720 Nm
Vmax 310 km/h
Beschleunigung ca. 3,1 Sek von 0 auf 100 km/h
Antriebsart Allradantrieb
Getriebe manuelles 6-Gang-Sportgetriebe
Bremsen Scheibenbremsen vorne und hinten
Länge 4481 mm
Breite 1999 mm
Höhe 1222 mm
Gewicht 1207 kg

[3][4]

Fahrer

Bewegt wurde der Wagen von den Fahrern Hurley Haywood, Hans-Joachim Stuck, Walter Röhrl und Scott Goodyear.

Erfolge

Hans-Joachim Stuck konnte in der Saison 1989 sieben Rennen gewinnen.

  • Summit Point
  • Mid-Ohio
  • Topeka
  • Sears Point
  • Watkins Glen
  • Lime Rock
  • Laguna Seca

Audi verzichtete auf Starts bei den beiden Langstreckenrennen in Daytona und Sebring, weshalb man am Ende der Saison den Rückstand auf Ford nicht mehr aufholen konnte. Audi wurde in der Meisterschaftswertung Zweiter mit 195 Punkten und damit 45 Punkten Rückstand auf Ford. In der Fahrerwertung wurde Stuck Dritter, Platz vier belegte Hurley Haywood. 1990 verließ Audi die amerikanischen Rennstrecken und startete mit dem Audi V8 quattro in der DTM.

Einzelnachweise

  1. ↑ http://germancarscene.com/wp-content/uploads/audi-24-05-07.jpg
  2. ↑ http://www.classicdriver.de/de/magazine/3400.asp?id=4757
  3. ↑ http://www.ultimatecarpage.com/spec/5484/Audi-90-Quattro-IMSA-GTO.html
  4. ↑ http://www.classicdriver.com/de/article/audi-90-quattro-imsa-gto
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Motorsport: Sport | Sport quattro E2/S1 | 200 Trans-Am | 90 IMSA GTO | V8 DTM | R8 | TT-R DTM | R10 | R15 | R18 | R8 LMS | R8 LMS ultra | A4 DTM | A5 DTM | RS5 DTM

Audi-Zeitleiste Zeitleiste der Audi-Modelle von 1965 bis heute Typ Aktuelle Serie
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RS5 RS5 (8T) RS5 (F5)
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RS6 RS6 (C5) RS6 (C6) RS6 (C7)
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de.wikipedia.org

Audi 90 quattro IMSA GTO [Add-On | Wipers] для GTA 5

Audi 90 quattro IMSA GTO [Add-On | Wipers]  

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libertycity.ru

Retrospective>> Quattro Firepower: The Imsa Audi 90 Gto

Most of us have some place of work we need to be at every single day of the week. This daily ritual normally involves some kind of commute through automotive or human traffic, a life at a business with your co-workers, eating similar kinds of food at familar places and then another commute through the hordes to your chosen place of residence. For most people, this pattern is relatively unchanging from month to month, year to year. I personally find it a bit of a challenge to maintain a zest for life when you can predict your daily existence for the rest of the year! For the majority of us, we often go out of our way to find excitement… to mix up the energies in order to rise out of the mundane. This usually means travelling, meeting new people, going out at night, finding a new job or moving to a new city….

Now I find as I get older I can look back on my adult life and see that, every once in a while, a set of circumstances occurred in my life that were truly special and quite far outside of the mundane. Perhaps it was a creative project, or a very inspirational journey to a foreign country (like my recent trip to Italy), or a collaboration with a great group of people…. When you are in these moments, some of the time you are aware that something important is happening and that you should cherish every second! Normalcy will likely be restored soon enough…. so best to breathe deeply and enjoy the highs as everyday life is just around the corner, right?

Now, we can take this notion and apply it to racing history too… occasionally, there have been very brief points in the timeline of motorsports of true excitement and inspiration which rise out of normal, predictable racing. Perhaps it was a particular racing formula: the fleeting GT1 era of 1996-1998 comes to mind…. or the Group B Rally cars of 1984-86 are another example…. or you could look at the late Can-Am years from 1969-1973 to illustrate the point. We can also look back on particular race cars which were completely unique in their time, and will never grace race tracks again to find this feeling of inspiration. I could name a huge list for you like the 1978 750bhp Moby Porsche, the 1973 Porsche 917-30 Can Am car, the first Lotus JPS Special ground effects F1 car from 1978, or perhaps the 1991 Jaguar XJR-14 3.5L Group C car… one of the last great sports cars…

I could go on for ages about this… but let's talk about the subject of this article: the 1989 IMSA Audi 90 quattro GTO. This is a race car that broke the mold of what is considered "Normal" in so many ways. Its like had never been seen before and you can be guaranteed that nothing like this car will ever be built again. So let's take a moment to appreciate it shall we?

The IMSA Audi 90 GTO was one of the wildest, most technologically advanced four-door race cars to ever hit the tracks. It was basically a 700bhp AWD Group B rally car engine-drive train package, mated to a space frame chassis, and draped with a carbon fiber silhouette body. If that doesn't get your attention then I don't know what will!

Before we study the GTO, let's have a quick look back on the Audi motorsport programs that led to the creation of this wild racing machine…

The genesis of the Audi 90 GTO began with Audi's introduction of the now famous quattro system into the WRC in 1981. It seems a bit obvious by today's standards, but at the time, no one had successfully implemented an AWD system in rallying. The first Audi quattro rally car was very heavy and cumbersome compared to it's RWD competitors, but its traction advantage was such that by 1982 Audi were World Rally manufacturer champions.

 

In '83 they took the World Rally Driver's championship at the hands of Hannu Mikkola and in '84 took both the Drivers title w/Stig Blomqvist and Manufacturers Championship.

By 1985, wilder Group B cars like the Peugeot 205 T16 had moved to the foreground of this doomed but legendary category. Audi attempted to fight back with their own crazy Group B machine: the Sport quattro S1, but this car wasn't particularly successful against a new generation of purpose-built, mid-engine rally machines.

Audi withdrew from the World Rally Championship in '86 as the Group B category collapsed on itself. The cars were just too fast and dangerous for their own good and a spate of high profile, fatal accidents meant the end of an era. Audi did have one trick up its sleeve before mothballing their rally cars: a series of victories at the legendary Pikes Peak hill climb. This picture shows Walter Rohrl's epic overall victory at the 1987 Pikes Pike hillclimb with a special 600 bhp version of the Sport quattro. It was the third win in a row for Audi at the famous event.

At this particular time, Audi's reputation in the US was suffering due to a spate of faulty brake/acceleration claims against the company…. so they turned to motorsports to rebuild their brand image in the US.

So, with mission accomplished in rallying, what to do with quattro technology? Why not prove it on the track in Amerca? Surely this AWD business was good for something other than snow, gravel and mud, no?

So Audi dropped the rally engine and drive train into an Audi 200 unibody, built up a race car and entered the 1988 American Trans Am Series.

The car turned out to be quite successful against its tube frame competititors and took overall honours at eight races that season.

This netted Hurley Haywood the 1988 Trans Am Drivers Championship. So far so good, right?

Eager for a new challenge, Audi decided to build a car for the less restrictive and more professional IMSA Camel GT Championship. And this brings us to the subject of this Retrospective Article: the IMSA GTO spec Audi 90.

The IMSA Championshp was at the peak of its success in the late 80s and boasted separate Prototype and GT races at most of their events. This is a far cry from the limited fields at today's ALMS races.

Competition came from the factory Roush Racing Mercury Cougars and the Nissan 300Zs of Cunningham Racing. I was lucky enough to see these cars race at Portland International Raceway as a teenager and remember the commentators saying the Audi was much easier on its tires than its competitors, who struggled with tire wear over the course of a full stint.

The ever reliable and developed quattro system was installed in a purpose built spaceframe clothed in a full carbon fiber shell.

The AWD race car put down an amazing 720 bhp of thrust to all four wheels…. It's pretty crazy to think about, isn't it?

Looking closely at this photo, you really see how the car is little more than a super-wide Audi-themed silhouette shell attached to a full race tube chassis.

This rendering gives you a clear view of what's under the skin of the car. It's interesting to see just how far forward the engine sits.

So if you consider the side view… the engine is literally forward of the front axle line. Most unusual.

The widest body ever made?

This car gives the look of being almost as wide as it is long, doesn't it? Unfortunately I wasn't able to source detailed chassis shots, but do need to thank Mark Windecker for continuing to allow us to work with his archive of IMSA photos.

In spite of winning seven of the thirteen races, Audi lost the championship to Roush Racing that year. It probably didn't help that they sat out the two enduro races at the start of 1989: Daytona and Sebring.

Although the IMSA program was conceived to last for two years, it was dropped after only 1 season. Audi elected to enter the DTM instead with their top end luxury car, the V8. They won the championship at their first attempt for Hans Stuck and a young Frank Biela repeated the feat the following year.

As Andy Blackmore outlined with yesterday's Tin Top article, this program lead to the successful Super Touring Audi quattros of the 1990s. The big wheels tucked up into the super-low stance is the mark of why so many of us love this era of tin tops.

…. But for me they don't quite compare to the unadulterated madness that is the Audi 90 GTO. Although it only raced for one year, it has become quite the legend of a race car.

The Swede Peter Bolnert also is a fan of this car as several years ago he took it apon himself to build a street replica….

The finished car features a full carbon fiber wide body and a V8 engine. (This photo was taken before the wheel covers were completed)…. Only in Sweden would someone be crazy enough to build a car like this hahaha….

Perhaps people in this country understand a secret to avoiding mediocrity in day to day life. It's a choice isn't it?

:>

:R

Special Volkswagon Group Month articles on Speedhunters

Retrospective Articles on Speedhunters

Peter Bolnert street Audi 90 GTO Build Photos

www.speedhunters.com

Audi 90 IMSA GTO Replika

While loitering around VWwatercooled, I found a link to an Audi 90 IMSA GTO replica. Quite an impressive feat by the passionate owner, no doubt about it. Check out the all-metal wide-body and custom made wheels.

See all the build pictures here: http://www.audimotorsport.se/imsabyggetfoton.html

~ by anth on October 30, 2009.

Posted in Build Threads Tags: 90, audi, GTO, IMSA, quattro, replica

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