Wieth Racing Ferrari 550 GTS

The Wieth Racing F550 GTS is a racing version of the Ferrari 550 Maranello. GT Racing Development were nine months ahead of Wieth Racing with the introduction of the first track version of the 550, but apparently declined to share their knowledge, leaving the German privateer team to go their own way with this example. GT Racing Development's plans to have "a production run of 4 to 5 cars" on the circuits during 2000 came to nought as First Racing struggled to build reliability into the project. It is to be hoped that this self-developed Wieth example from Germany is more reliable when it takes to the tracks in the FIA GT Championship in 2001.

The engine specifications would suggest that this car is more powerful but generates less torque than the original, while the weight and weight distribution of the pair are identical on paper.

The chassis is fitted with a roll cage fabricated from high tensile steel tube, various suspension pickup points are integrated in to the cage's construction. An extremely stable side impact protection has been fabricated on the driver side of the vehicle.

With the exception of the roof, all the body panels have been replaced by very light and extremely resilient Carbon / Kevlar components. In order to achieve a high down force on the rear axle, a large wing with a range of adjustments has been mounted on the rear of the vehicle. The vehicle has an enclosed floorpan with front and rear diffusers.

The original dashboard and centre console have both been replaced with carbon fibre. The driver is seated in a carbon-kevlar seat with a six point harness which is repositioned towards the centre of the vehicle. A race sport steering wheel has been fitted. Competition battery cut-out switches have been installed in place of the standard items. The electrical fire extinguisher system and dry cell battery are positioned on the passenger side of the vehicle.



Facts & Figures

Production Numbers ?
Production Period 2001
Chassis Number Range ?
Body Style 1 seater sports racer
Construction Closed 1 seater (Pininfarina design) - honeycomb carbon fibre and Kevlar
Weight Empty 1100 kg
Body Size W : 2000 mm, H : 1240 mm, L : 4630 mm, Wheelbase : 2500mm, tracks : 1680 mm (F), 1690 mm (R)
Engine Model 65° Light alloy V12
Engine Displacement 5985cc - bore 88 mm, stroke 82 mm
Compression Ratio ?
Engine Management MOTEC M8 System with constant data logging
Spark Plugs ?
Cooling AKG Aluminium high performance radiator
Lubrication Mechanical dry sump lubrication with oil cooler
Clutch Fichtel & Sachs MFX 200 twin plate sintered metal clutch
Engine Power 600 bhp (= 100.3 HP/litre)
Engine Torque 483 lb ft at 6500 rpm (66.8 kgm)
Transmission 6 synchronized gears (sequential)
Reduction Ratios (Short Box) 1st - 2.50, 2nd - 1.70, 3rd - 1.33, 4th - 1.15, 5th - 1.00, 6th - 0.93
Reduction Ratios (Long Box) 1st - 2.50, 2nd - 1.70, 3rd - 1.43, 4th - 1.24, 5th - 1.11, 6th - 1.00
Final Drive 3.15 : 1
Drive Shafts GKN Profile shafts with Tripode joints
Fuel Capacity ?
Suspension (Front) Fully adjustable
Shock Absorbers (Front) Fully adjustable
Suspension (Rear) Fully adjustable
Shock Absorbers (Rear) Fully adjustable
Wheels Forged Magnesium OZ Supertourismo with centre locks, F : 12J x 18, R : 13J x 18
Tyres Dunlop, F : 280/65 ZR18, R : 315/71 ZR18
Brakes Brembo aluminuim callipers with vented Brembo discs
Steering ZF - Rack and Pinion with variable Power Assist
Electrical System ?
Maximum Speed ?
Acceleration (0-30 mph) ?
Acceleration (0-60 mph) ?
Acceleration (0-100 mph) ?


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