1992-1993 Allard J2X

Images courtesy and copyright Martin Spetz, Hayden Burvill, Costas Los, Gordon Friend, Juha Kivekas, Philippe Moriniere, Ryan Hicks, Tom Hiett
Text copyright Michael J. Fuller
Some of the most advanced sports prototypes ever designed were born out of the 3.5 liter Group C Championship.  The two short years of that series saw some of the largest evolutionary jumps in prototype design, brought about by competition among car manufacturers such as Jaguar, Peugeot, and Toyota.

It was into this environment that the independently designed Allard J2X was born, to much fan-fare.  By 1991, mainstream sports car design bore little resemblance to the Porsche 956s and Lancia LC2s that first debuted some 10 years earlier.  The Allard J2X suddenly accelerated the pace of thinking at a time when the development graph was already quite steep.

But the Allard was a veritable flash in the pan and followed the fate of many racecars by failing to realize its potential.  So what happened to this car and who was behind it?

This is the Allard J2X's story.

This story couldn't have been written if those involved hadn't been interested in having it told it.  Many thanks to the following:  Hayden Burvill, Costas Los, John Iley, Paul Burgess, Tracey Morris, Doug Peterson, and Gordon Friend.


Read the Race Car Engineering article.

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Allard J2X story
Allard J2XC Story, CLICK ON THUMBNAIL

Technical 
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1992-1993 Allard J2X Specifications
Designer: Hayden Burvill, Chris Humberstone, John Iley
Layout: Mid-engine, rear-wheel drive
Monocoque: Bonded two piece (top and bottom) carbon fiber and aluminum honeycomb main survival cell with integral steel roll-over hoop and rear carbon sub structure for gearbox and rear suspension pickup
Engine: 3500 cc Nicholson-McLaren perpared Ford DFR V8, normally aspirated, 4 valves per cylinder 
Power: 580 hp (endurance specification)
Torque: 400+ lb.-ft
Gearbox: Modified Leyton-March F1, 6-speed.  Encased in rear carbon sub struture.
Steering: Rack-and-pinion steering
Suspension: F: Upper and lower A-arms, pushrod actuating spring/dampers mounted horizontally on the front of the monocoque.
R:  Upper and lower A-arms, purshrod actuating spring/dampers mounted horizontally on the top of the rear carbon sub structure.
Brakes: Brembo calipers, Carbone Industries discs
Wheels: Front: BBS 13" Rear:  BBS 15" 
Tires: BF Goodrich or Goodyear
Length: 4799 mm
Width: 2000 mm
Height: 920 mm
Wheelbase: 2850 mm
Front Track: 1620 mm
Rear Track: 1582 mm
Weight: 860+ kgs
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ęCopyright 2008, Michael J. Fuller