MNRL 1991 Virtual World Sports Car Championship

brought to you by Champion Motorsports in partnership with @stormgangsimulation

MNRL 1991 Virtual World Sports Car Championship

1991 was the beginning of the end for the Group C class of cars in the World Sports Cars Championship.
Rule changes and expense would help usher in the end of a great era.
Come join us and pilot some of the best cars to ever be created in the prototype realm.

The 1991 Virtual World Sports Car Championship season.


10 championship races of variable lengths all over the world, live weather.
Allowed driving aids should offer the best conditions to newcomers and old timers.
The cars have different attributes. do some testing and pick a car that suits you.



The Cars:



Sauber C11 - The old and reliable sister car to the new 3.5L C291. Mercedes fielded both cars together for the '91 season to hedge their bets against the new engine regulations. It paid off as the team struggled with mechanical problems on the new car. The C11 took 2nd place at the opening round, despite a massive weight penalty and slower refueling during stops. The 5L V8 twin-turbo was old but reliable, producing around 720 HP while remaining efficient. The aero forces of the car could generate almost 2700 kg of downforce at 320 kph. The car dominated the '89 Le Mans race and helped Mercedes win the 1990 title. In 91, the team managed 3rd and was the lead car of the old regulations.



Porsche 962C - Replacing the 956 to comply with IMSA GTP regs (the driver's feet were in front of the front axle), the 962 appeared in 1984. It was very successful among privateers and had one of the longest and most competitive careers in all of Group C. The car uses the 3L Type 935 KKK twin-turbo Flat 6 RMR layout although there were variations run throughout its lifetime to balance against regulations in both IMSA and WSC. In all 91 962s were produced from '84-91 with 16 official and the rest for customers. The 962C took the overall win at the 1986 and 1987 Le Mans and dozens of wins between IMSA, WSC and in Japan. In fact, its domination may have been part of the impetus for the FIA to change regulations in 1991. It was incredibly reliable and 5-time Le Mans winner, Derek Bell, remarked it "was really quite easy to drive".

Jaguar XJR-14 – The unassailable purple Silk Cut #3 and #4 took the 1991 Group C teams championships for the British powerhouse with Martin Brundle and Derek Warwick scoring several wins in the season. The beautiful car was designed by Ross Brawn and John Piper to run with the new, controversial regulations. Warwick commented that the car drove almost identically to an F1 car. Not surprising with its massive rear wing, aero elements and screaming 3.5L N/A Ford HB V9 F1 powerplant which produced a detuned (for reliability) 11,500 rpm and 650 BHP. After taking a top performance in '91 Jaguar dropped out of Group C to focus on F1 (as many others did) but the car was still used in IMSA for the '92 season where it broke the Grand Prix of Miami track record by 4 seconds. However, the suspension couldn't cope with the high G loads of US circuits and the XJR fell against Toyota and Nissan.



Peugeot 905 – The French entry came on scene in the final rounds of the 1990 WSC season and would run the entire 1991 and 1992 seasons. It housed a 3.5L V10 producing 715 HP and 12,500 RPM. Like Jaguar's XJR-14, the 905 was developed around the new rulesets that required F1 level performance. This made Peugeot Jaguar's direct rival for the entire '91 season with both teams arm wrestling for top honors at every race. The 905 took the win at Race 1 Suzuka owing to mechanical failures by Jaguar. But they would struggle with their own problems under the hood, letting Jaguar slip ahead. With the 905B evolution, Peugeot tightened the points gap with crushing performances, only just letting Jaguar take the ‘91 title. In 1992, the team was untouchable (also owing to lack of competition). Peugeot won 9 of the 17 races it was in, including the 1993 Le Mans where it swept the podium and then retired into the sunset from sportscar racing.


Nissan R90CK – The R90C was the Beast from the East, capturing the JSPC 3 times and several wins including the 12 Hours of Sebring in 1991. It also took 2nd at the 24 Hours of Daytona that year. Borrowing on the success of the RC89, little was changed other than small aero components. However, the Japanese entrant was noticeably modified from the IMSA and WSC/SWC designs. While Nissan pulled out of WSC after the 1990 season, it was still very competitive around the world. The VRH35Z Twin Tubo MERD V8 served both the 89 and 90's versions. It also managed to achieve the fastest straightline speed at Le Mans after the installation of the chicanes. This was thanks to a broken turbo wastegate that pushed the engine from 800 to well over 1100 hp. Mark Blundell broke the lap record with a 3:27.020 and soared to 238 mph (383 kph), snapping his head back with each upshift. He took the pole by 6 seconds over the 2nd place qualifying Porsche 962, lamenting that he probably could have been faster.

Mazda 787B - The iconic Mazda prototype was developed for the All Japan Sports Prototype Championship, WSC/SWC 90-91 seasons and IMSA and is considered one of the most popular Group C cars ever. Building on the 767, the 787 was the most unique entry in motorsports of the era. Using the R26B 2.6L naturally aspirated rotary engine, it produced 700 HP with a 9000 RPM redline. It was also quite torque-y with the use of ECU-controlled variable length telescopic intake runners on the engine. It featured updated suspension geometry which allowed for larger wheels with carbon ceramic brakes, a first for a Mazda racing car. While the 787 was competitive around the world, podium finishes were few and far between. That changed at the 1991 24h of Le Mans. Mazda entered 3 cars, one being the 55 covered in the wild orange and green Renown livery (a Japanese clothing brand that had supported the team since 1988, providing all their event clothing). The day before the race, team manager, Ohashi, encouraged by previous stress testing, changed strategies, and told the 55 drivers to run "as if it were a short sprint race". It paid off big, getting Volker Weidler, Johnny Herbert, and Bertrand Gachot to 3rd. With 6 hours to go, the 55 was in the lead as competitors fell to mechanical issues. The other two Mazda entries finished 6th and 8th. The Renown team scored Mazda's sole SWC victory, setting the event record of 362 laps & 3,932.2 km and being the only non-piston engine car to do so at Le Mans - A record to this day. The 55 was immediately retired from racing to be placed on display. (edited)
December 14, 2021

WSC 1991 Tire Compounds info




Get the 1991 WSC mod here

Here are the templates if anyone would like to paint their own car. Number Plates included. Please be sure to select the proper color for your class: Templates

If you need help installing or any other questions, just ask here in this thread or send me a direct message.
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Schedule:

Tuesday Nights

January 11 2.4 Hours of Daytona (USA) -24 hour cycle

March 1 1.2 Hours of Sebring (USA) -12 hour cycle

April 12 Suzuka 230 km (Japan)

May 3 Monza 230 km (Historic) (Italy)

May 17 2.4 Hours of Le Mans (Historic) (France) -24 hour cycle

July 5 Silverstone 230 km (Historic) (Great Britain)

August 16 Nürburgring 230 km (Germany)

September 13 Magny-Cours 230 km (France)

October 11 Hermanos Rodriguez 230 km (Historic) (Mexico)

October 25 Autopolis 230 km (Japan)

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Class Structure:


Pro – Autoclutch allowed. For faster drivers. Requires manual throttle lift and blip when shifting even while using sequential/paddle shifters

Am – Autoclutch allowed. For slower drivers. Requires manual throttle lift and blip when shifting even while using sequential/paddle shifters

Purist – Autoclutch NOT allowed. Select this class ONLY if you are using clutch and an H-pattern shifter to shift.
This class is meant for those who want to experience the thrill of how busy it was to handle a racecar of such a caliber at that time.


Note: Each class is scored separately.
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Series Details:
(additional details with specific instructions and track downloads for each race will be included in each pre-race briefing)

We will be using real time weather.

Event Time Schedule


6:30PM US EST – Server Reboot/Practice (2 hours)

8:30PM US EST – Qualifying (20 mins)

8:50PM US EST – Drivers’ briefing/Warmup (10 mins)

9:00PM US EST – Race
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Points System:

1) We will use the 1991 WSC point system:

1st place - 20 points
2nd place - 15 points
3rd place - 12 points
4th place - 10 points
5th place - 8 points
6th place - 6 points
7th place - 4 points
8th place - 3 points
9th place - 2 points
10th place - 1 point

2) We will have 2 (!) drop rounds - (only 8 best results are counted)

3)You must complete 50% of the race to be scored.
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Use this link to join the CMS Discord server:
Look for the "Tuesdays - RF2 (MNRL)" Discord channel for Pre-Race Briefings before each race.
Discord server
CMS Website
Live Timing

Special Credits:
@stormgangsimulation for developing and partnering the release of their mod with us.

@ross "Tnadz" Smith for helping with promotion, video work and graphics material.

Apex Modding, @yosss , SimRace247, @brianb | Brian van Beusekom , Grid Finder, MAK-Corp, Outl@w Modding, and Virtua_LM SportsCar Simulations for their general contributions and assistance.