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  Nissan R89C/ R90C
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1989: Calsonic #23
1990: cour #82
1990: niss #23
1990: niss #24
1990: niss #25
1990: niss #83
1990: niss #84
1990: tlm #85
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Group C race car was developed by Nissan to participate in the World Sportscar Championship and All Japan Sports Prototype Championship, as well as the 1989 24 Hours of Le Mans.

Replacing the original March built R88C, the R89C was part of Nissan's increased involvement in the project. Developed in conjunction with the Lola firm, the Kevlar and carbon-fibre based monocoque chassis featured a mid-mounted Nissan VRH35Z 3.5L V8 DOHC engine which featured twin turbochargers mounted directly into the chassis for better rigidity, producing up to 950bhp. The VRH35Z was an improvement on the 3.0L VRH30 used in previous years.

In the 1989 World Sportscar Championship season, Nissan struggled to find not only reliability, but also pace from the new chassis and engine. With this, the R89C was only able to score points in three races, but was able to finish the season fifth in the team's championship. In the All Japan Sports Prototype Championship, the R89C suffered the same fate, unable to compete with its developed Porsche and Toyota opponents, leaving Nissan to finish the season 3rd in the championship. Meanwhile, at the 24 Hours of Le Mans, three R89Cs were entered into the race. However, all three failed to finish the race due to mechanical problems.

For 1990, the R89C was campaigned by Nissan for the first race of the World Sportscar Championship until it was replaced by both the R90CP and R90CK. R89Cs would be passed on to privateer teams, with Courage Compétition managing to finish 22nd in the 1990 24 Hours of Le Mans with an ex-factory R89C.

RML was enrolled to run Nissan’s Le Mans project with the R90C.
There were 2 types of R90 - the "Japanese" Yoshi Suzuka designed Nissan and the RML run R90CK made by NME (NISMO Europe)
Mark Blundell qualified the "Japanese" car on pole position and led five hours of the 1990 event setting the race’s fastest lap on the way.
The Suzuka designed Nissan R90CP still holds the top speed record of 366 kph at the Le Mans 24 hours, a record established during the thursday practice session for the1990 race.
You might think this is not an impressive number but this was a race trim car and had lots of downforce.
The R90CK was entered in WSPC JSPC and IMSA in 1990 and 1991;

From 1990-1993, Yoshi Suzuka was responsible for the aerodynamic development of NISMO’s stable of Group C cars
At first, Suzuka was in charge of improvements to the Lola-Nissan R90CK resulting in the Nissan R90CP (‘P’ referring to the Oppama Nissan plant where NISMO is based). In testing at Nissan’s Arizona Testing Center, Suzuka’s R90CP topped 396 kph (245.5 mph)! A single R90CP was entered at Le Mans in 1990 alongside four factory Nissan R90CKs and two R89Cs. The R90CP qualified 3rd and finished 5th, the highest place finisher of any of the Nissan entries that year.

Dimensions of the JNissan R89C :
Lenght: 4800mm, Width: 1990mm, Height: 1110mm, Wheelbase: 2794mm

Models for Nissan R89C/ R90C
Manufacturer Model Scale Dimensions (LxWxH) Wheelbase Front spur Rear spur
Hasegawa Nissan R89C Calsonic 1/24 99.9x82.0x39.0 99.9 80.5 81.5
Tamiya Nissan R89C Calsonic 1/24 99.9x82.0x39.2 99.9 81.5 82.0
Tamiya Nissan R90V Cabin 1/24 99.9x82.0x39.2 99.9 81.5 82.0
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