| GD Mk4 |
Specification |
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| Chassis |
Tubular backbone |
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Additional information
Developed for road and track use, the backbone design cloaks the power train and accurately locates the suspension for excellent power delivery with positive and precise control. Designed for huge V8 power the chassis always feel taught and responsive when pushed to the limit.
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| Body Shell |
GRP Semi-Monocoque |
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Additional information
Quite unlike conventional body shells the GD body shell is a one-piece rigid semi-monocoque (tub) design with double skin mouldings. A composite construction made of glass fibre reinforced plastic with critical areas strengthened with advanced woven glass materials. The tub rigidity is enhanced with front and rear bulkheads, engine bay, foot-wells, transmission tunnel and all inner mouldings as an integral part of the structure. Further occupancy protection is gained by injecting energy absorbing polyurethane foam into the body sides and the use of sliding anti-intrusion beams within the doors. The body tub is insulated from the chassis with anti-vibration mounts adding further comfort and longevity.
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| Suspension |
Double Wishbone |
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Additional information
The chassis features independent double wishbone suspension with aircraft grade alloy uprights. Compared to conventional designs the suspension offers lighter unsprung weight and provides better camber control with adjustment for static camber, caster and toe-in settings. The suspension design gives the GD unrivalled levels of road holding and ride quality.
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| Spring Dampening |
Adjustable Coil Over |
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Additional information
Alloy bodied shock absorbers are fitted with coil springs rated for intend use. The units are adjustable for damping resistance and ride height changes.
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| Engine |
All alloy GM LS V8 |
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Additional information
The GM Gen3/4 LS range of V8 engines have been installed in Gardner Douglas cars since 2001. We regard them as the best choice for power/weight with smooth drivability and offer better fuel economy, reliability and lower service costs. Today’s standard fitment is the 6.2Ltr LS3 or optional 7.0Ltr LS7.
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| Transmission |
5 or 6 speed H Gate |
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Additional information
Tremec TKO 600 close ratio 5 speed or T56 and Magnum 6 speed.
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| Differential |
LSD 3.23:1 |
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Additional information
BTR Hydrotrack speed sensitive limited slip differential provides awesome traction and neutral handling.
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| Brakes |
AP 4-pot Ventilated |
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Additional information
Brakes are dual circuit non-servo assisted as standard.
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| Wheels |
16″ to 18″ 3-piece |
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Additional information
Wheels are offered in several sizes to suit preferred aesthetics and driving style. Typically 8.5×18 front and 10×18 rear.
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| Tyres |
Toyo T1R sizes vary |
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Additional information
Toyo tyres offer good all round performance with optional track day compounds.
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| Steering |
Rack and pinion 3.25:1 |
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Additional information
An optional quick rack is available.
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| Fuel Tank |
50ltr stainless steel |
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Additional information
Stainless steel construction. For safety the fuel tank is mounted between the rear axles. The upright design serves to minimize fuel surge.
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| Dimensions |
Length 4130 Width 1790 Wheelbase 2286 (mm) |
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Additional information
- Wheelbase: 2286mm (90″)
- Length:3940mm (155″)
- Width: 1790mm (70″)
- Height: 1140mm (45″)
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| Weight |
Typically 1000kg kerb |
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Additional information
Lighter and stiffer than the original cars makes the Mk4 more agile and far quicker. |
| Power |
From 435bhp |
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Additional information
LS3 starts at 435bhp, with tuned options between up to the LS7 with 650bhp – but that’s mental! |
| Performance |
0-60 3.8secs, top speed 160mph |
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Additional information
Recorded figures for Mk4 with 400bhp LS2. |
| Fuel |
Unleaded, 28mpg – Typical Touring |
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| Recorded figures for Mk4 with 425bhp LS2. |
