1984 Jaguar XJR-5 IMSA GTP

       1984 Jaguar XJR-5       

Chassis 010

Jaguar withdrew from racing in the late 1950’s and stayed away for nearly two decades. In 1975 the company began to show interest again, especially in U.S. racing. Group 44 Inc. had been Jaguar’s motor sport contractor in the U.S. for years and, the early 1980’s when Jaguar decided to participate in a new IMSA GTP class that was being formed, it was only logical that Group 44 Inc build their entry. 

Chassis designer Lee Dykstra, a noted ground effects specialist, was engaged by Group 44 Inc. to do the car’s basic design. He used the relatively long V12 engine as a stressed chassis member, bolting it directly to the aluminum monocoque. The slim design allowed room for underbody aerodynamics as well as large, clean wing surfaces on both sides of the engine. The body itself was designed by Randy Witeen and is considering by many to be the most beautiful of all IMSA cars.

A number of manufacturers participated in the class, including Ford, Chevrolet, Buick and BMW, but the only cars that provided any competition for Porsche were the Jaguars. Ford, for example, won only one event. Jaguar won twelve. Group 44 Inc’s contract with Jaguar called for Group 44 Inc to return Jaguar to Le Mans, which they did in 1984/85.

Chassis 010 was the final XJR-5 built. It’s been fully restored by Rick Knoop and Jim Busby. The engine, built by Ed Pink, is virtually new with very little racing time. With Knoop at the wheel, it ran at the 2011 Rolex Monterey Motorsports Reunion, finishing a strong second behind Stefan Johansson. At this year’s RMMR the car and driver won The Rolex Award for Excellence. The car is fully detailed and race-ready.

Specifications

ENGINE

• 6.0 liter V-12
• Aluminum Block & Heads
• Electronic Fuel Injection

PERFORMANCE (Dyno Report, Ed Pink Racing Engines 1.12.10)

•  Horsepower: 610.7 hp @ 6900 rpm
• Torque: 500.4 ft-lbs @ 6100 rpm

BODY & CHASSIS

• Aluminum Monocoque
• Rack & Pinion Power Steering
• Ventilated Disc Brakes
• 5-Speed Hewland VG Gearbox

DIMENSIONS

• Length: 179 in/455 cm
• Width:  79 in/201 cm
• Height:  39i n/100 cm
• Weight:  2050 lbs/930 k

Racing History

5/1/84 - Pocono 24 Hour Test  
Tullius/Redman/Ballot-Lena/Bundy

6/16/84 - Le Mans 24 Hours            
Back up Car

7/29/84 - Portland 500 KM                
2nd            
Tulius/Bundy

8/5/84 - Sears Point
2nd           
Bundy

9/9/84 - Pocono Camel GT 500    
2nd           
Tullius/Bundy

9/16/84 -  Michigan 500 KM              
11th           
Tullius/Bundy

9/30/84 - Watkins Glen 500 KM     
DNF           
Tullius

12/10/84 - 24 hour Daytona test            
Tullius/Aase/Haywood/Robinson/Redman

2/24/85 - Miami Grand Prix              
DNF           
Tullius/Redman

3/23/85 - Sebring 12 Hours           
4th              
Tullius/Robinson

4/14/85 - Road Atlanta           
1st               
Redman/Haywood

6/15/85 - Le Mans 24 Hours            
Back up Car

7/28/85 - Portland 300 KM              
2nd      
Tullius/Robinson

8/4/85 -  Sears Point              
DNF           
Tullius/Robinson

9/29/85 - Watkins Glen 500 KM  
6th        
Tullius/Robinson

10/5/85 - Columbus 500 KM        
DNF      
Tullius/Robinson

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