Jaguar XJR-7


Jaguar XJR-7

1983→1985 Jaguar XJR-7

For the 1985 season, Bob Tulius and Group 44 racing modified their XJR IMSA contender with a Kevlar-reinforced chassis and updated aero.

Two cars driven the teams of Redman / Haywood and Tullius / Robinson were always in contention but didn’t score a first overall until the season closer at the 3 Hour Daytona Finale.

Group 44 continued with the cars less aggressively in 1987, but scored first overalls at the 300km of Laguna Seca and 3 Hours West Palm Beach.

1985 Jaguar XJR-7 Gallery

In Detail

typeRacing Car
production years1983 – 1985
built atUSA
body stylistLee Dykstra
coachbuilderGroup 44
production5
engine60º V12
positionFront Longitudinal
aspirationNatural
block materialAluminum Alloy
valvetrainSOHC, 2 Valves per cylinder
fuel feed6 Weber Carburetors
displacement5955 cc / 363.40 in³
bore91.9 mm / 3.6 in
stroke74.9 mm / 2.9 in
compression12.2:1
power484.7 kw / 650 bhp @ 7500 rpm
specific output109.15 bhp per litre
bhp/weight698.92 bhp per tonne
torque650.8 nm / 480 ft lbs @ 6000 rpm
body / frameAluminum Tub Chassis
driven wheelsRWD
steeringRack & Pinion
f suspensionDouble Wishbones
r suspensionDouble Wishbones
curb weight930 kg / 2051 lbs
wheelbase2591 mm / 102.0 in
front track1676 mm / 66.0 in
rear track1600 mm / 63.0 in
length4547 mm / 179.0 in
width2007 mm / 79.0 in
height1003 mm / 39.5 in
transmission5-Speed Manual
top speed~349.15 kph / 217 mph