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GT40 Mk III
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Ford GT40 Mk III

Ford GT40 Mk III Ford GT40 Mk III Ford GT40 Mk III Ford GT40 Mk III Ford GT40 Mk III Ford GT40 Mk III
Click here to save all images    Image credits: Wouter Melissen 

    

Click here to download printer friendly version One of the reasons Lola's Eric Broadley left the Ford GT40 project was Ford's decision to construct the monocoque chassis in steel, instead of the lighter aluminum suggested by Broadley. Ford intended to offer a road going example of the GT40 and Broadley feared too many concessions were made to ever make the GT40 a success on the track. He was proven partly right, with Ford struggling in the first couple of years, whereas the aluminum chassis Lola Mk VI GT it was derived from, proved to be fast straight out of the box. Eventually the decision to put the GT40 into production paid off, when it was homologated to run under the new regulations of 1968, which resulted in the third and fourth GT40 wins at Le Mans.

The first road cars were almost identical to the production version of the GT40 racers. Around thirty of these racers were produced, which helped to push the fifty car homologation limit set for 1968. When Ford was no longer allowed to run their prototypes, they withdrew from the project and sold their factory in the UK to John Wyer's JWA. Construction of cars continued here for a short while and they were responsible for building and preparing the 1968 and 1969 Le Mans winning chassis. Another project started by JWA was to build a new road car that would comply with the stricter North American regulations.

Dubbed the Mk III, the new road car was a clear departure from the previous road cars. The nose was changed to adopt four circular lights, replacing the two square units used on the race car. Space was freed to fit a luggage box by changing the exhaust design and modifying the rear bodywork. Inside the most important change was found; a central gearchange. This allowed for left hand drive instead of the standard right hand drive, which was one of the drawbacks of the original road cars. Comfort was increased by fitting softer springs and re-routing the cooling tubes.

Although these modifications made the GT40 Mk III more compliant with the regulations, they also took much of the GT40's beaty away. Between 1967 and 1969 just seven cars were constructed, reflecting the customers lack of interest. In this niche market the Italian marques still reigned supreme.

Featured is the last Mk III constructed and also one of the very last GT40s built. It is pictured here at the 2004 Le Mans Classic, where it supported the European launch of the Ford GT.

Article by Wouter Melissen, last updated on 02 / 09 / 2005

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General specifications
Country of origin United States
Chassis number GT40 / M3 / 1107
Numbers built 7
Produced from 1967 - 1969

Engine
Configuration 90º V 8
Location Mid, longitudinally mounted
Construction cast-iron block and head
Displacement 4.737 liter / 289.1 cu in
Bore / Stroke 101.7 mm (4 in) / 72.9 mm (2.9 in)
Compression 10.5:1
Valvetrain 2 valves / cylinder, OHV
Fuel feed Holley Four Barrell Carburetors
Aspiration Naturally Aspirated

Drivetrain
Chassis/body steel semi-monocoque
Front suspension adjustable double wishbones, anti roll bar
Rear suspension trailing arms, transverse top link and lower wishbone, anti roll bar
Steering rack-and-pinion
Brakes Girling discs, all-round
Gearbox ZF 5DS-25 5 speed Manual
Drive Rear wheel drive

Dimensions
Weight 1061 kilo / 2339.1 lbs
Length / Width / Height 4293 mm (169 in) / 1778 mm (70 in) / 1041 mm (41 in)
Wheelbase / Track (fr/r) 2421 mm (95.3 in) / 1402 mm (55.2 in) / 1402 mm (55.2 in)

Performance figures
Power 306 bhp / 228 KW @ 6000 rpm
Torque 446 Nm / 329 ft lbs @ 4200 rpm
BHP/Liter 65 bhp / liter
Power to weight 0.29 bhp / kg
Top Speed 250 km/h / 155 mph
0-60 mph 5.1 s
0-100 mph 12.7 s

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