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Showroom Location: 1145 Park Avenue • Emeryville, California 94608 USA

2007 Porsche 997 GT3 RSR

Extremely Well-Developed Tafel 2007 ALMS RSR

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Exterior Color Tafel Livery
Interior Color White
Engine 3.8L flat 6 cyl
Transmission Sequential 6 Speed
Status Sold
Stock FJ702


2007 Porsche GT3 RSR
Tafel Livery with White Interior

Renown for their superlative preparation and engineering, Tafel Racing prepares some of the fastest, best resolved cars around. Their GT3 RSR`s were consistently the two fastest Porsches in the American Le Mans Series in 2007, and this car is one of those two. Wearing number 73, the car was run in 2007 only and driven by Tafel/Nielsen/ Swartzbaugh. Its history is as follows:
Sebring 12 Hours 5th
St. Petersburg 6th
Long Beach 7th
Houston 10th (dnf)
Salt Lake City 8th
Lime Rock 7th
Mid-Ohio 10th (nc)
Road America 8th
Mosport 8th
Detroit (Belle Isle) 5th
Petit Le Mans 11th (dnf)
Laguna Seca 11th

The car was comprehensively gone through at the end of the season, and has seen no use since. This included a rebuilt gearbox, the replacement of the front clip, and new paint. It features many proprietary modifications not found on other RSR`s though the factory adopted some of the changes for the 2008 RSR`s. The engine is already equipped with the 2008 updates and has a full Motec system installed. The car also has a built-in cooling system.

The major Tafel modifications are as follows:

The nose was reshaped to enable bigger dive planes to be fitted to the side of the radiator entry. The factory has copied this on the 2008 car.
The radiator inlet duct was changed to enable a better flow to the front brakes. This required a new duct and trunking.
The lower edge to the nose where the splitter is mounted was also modified to enable the vertical splitter to be correctly fitted and allow the car to pass tech inspection without changing the angle of the nose.
The radiator screens were remade and mounted inside the nose to enable more downforce to be generated.
The nose profile was also changed to enable the nose to correctly fit the front fender where it joined the headlight area.

Front Fenders:
These were remade to a Tafel profile to reduce the cars frontal area. They were also modified to make the join line with the headlight meet correctly, not with a gap as on the standard car.

The headlights are a special Hella gas discharge unit fitted into a Tafel carbon mounting. They are much lighter than standard and also give better beam spread.

Front splitter:
The car was fitted with additional vertical `strakes` in the front diffuser to provide better flow control for improved front downforce.
The splitter was also modified to enable the floor area to have “Jabwok” wood rubbing blocks fitted.

This was re-made to be stiffer across the rear edge. The fuel filler opening was also modified to fit the filler opening better.

The passenger side door was modified to accept a NACA duct to feed air to the driver helmet cooler.

Engine cover:
This was fitted with Tafel design air scoops that significantly improved the flow to the motor.

Rear Wing:
The rear wing was designed by Tafel using CFD and in simple terms gave 300 lbs more downforce at 100 mph than the standard Porsche wing. It also had only an increase of 9 lbs of drag at the same speed.

The diffuser was modified to be fitted with `Jabwok` rubbing strips so the car could be run at minimum ride heights.

Front dampers:
The front damper struts were a very special Ohlin`s based damper. It had a Tafel made Titanium body so that it would not fail with the bending loads that the car would be capable of applying to the struts.

Rear dampers:
Again, a very special Ohlins based damper. Both front and rear dampers had new designed pistons, shafts and very special oils.

Suspension links:
All of the steering arms and drop links are special Tafel made parts that only require a single allen wrench to adjust the whole car.
The rear toe link inner end is a very special Tafel part designed to allow full range of suspension movement, unlike the standard Porsche part.

Fuel Cell:
The fuel cell was a special ATL cell made to Tafel design and was also made from Formula 1 grade material. It is lighter and stronger than required by the rules.
The internals of the tank were built so that the car would pick up down to ½ liter of fuel.
The tank also had special baffling to enable the control of the fuel movement as it used fuel.

The hubs were fitted with a Tafel design drive peg that eliminated the standard Porsche failures.
The car is fitted with very special steel wheel nuts made by the same people that make most Formula 1 wheel nuts. They are circa 50% quicker in a wheel change than the standard Porsche wheel nuts.

The car was fitted with an aerospace designed battery with 800 cranking amps of power. It was re-located to a new position based on shaker rig testing. The new mounting was also a Tafel designed quick release mount under a Kevlar cover, also of Tafel design.

The seat was a special design based on the OMP design. It also had custom Willans seat belts.

The throttle pedal was a `billet` design with a new `billet` mounting. The brake pedal had a Tafel design pedal pad for improved shape and driver control.
The throttle cable was a Tafel design single piece cable manufactured by an Aerospace company.

Weight distribution:
The car was fitted with a Tafel designed center mounted ballast plate to provide optimum weight distribution. It also was integrated into the gearbox mounting to enable a stiffer motor/gearbox mounting.

Gearbox and drive line axles:
The gearbox is fitted with a special Tafel/Xtrac viscous differential assembly.
The drive shafts are made by Metalore from California. They make the same parts for Ferrari, Renault, McLaren formula 1 teams. The drive shaft boots are a Tafel design that eliminates the problem of boot failure with the extreme angles that these cars must use when running low enough.

The motor was a factory built engine with the latest internals.

Motor mounting:
The rear shear plate was a special Tafel designed plate made to eliminate the bending problems of the standard plate. The front, gearbox mounting was also a modified part to also stop the motor moving under braking.

The front calipers are a special AP caliper that is both stiffer and lighter than either the standard Brembo or even the standard AP caliper. It is fitted with special ceramic heat-stopping pucks.

The rear calipers are also a very stiff and light AP caliper made for Tafel by AP.
Also fitted with ceramic heat-stopping pucks.

Rear brake cooling:
The rear brakes are fitted with a Tafel carbon backing plate that allows for cooling of the caliper and internal cooling of the disk. The ducting is fed by a top mounted rear wheel arch NACA duct.

Rear roll bar assembly:
The rear roll bar is a special Tafel design that also has special Tafel designed operating arms so that the rear bar can work correctly. The mounting blocks for the roll bar are also special Tafel made components. The Porsche side frames are modified to stop the roll bar mounts from breaking off under load. They are also fitted with special Titanium bushes to correctly align the frames and stop moving under load.

There are many other smaller items that were changed to either improve the cars performance, make it easier to work on, or improve the reliability/safety of a component.

The car is physically in excellent condition, and it is obvious that the car has seen no use since being freshened. The paint is in fine condition and the car displays excellent race cosmetics throughout. The headlamp and foglamp covers display some road rash, while the front bumper has a handful of small cracks. The wheels are excellent, as is the interior. It is extremely tidy and free from wear, indicating the thoroughness with which the car was gone through.

This is an outstanding race car that will be both competitive and fun, and is especially unique for the tremendous level of development that has gone into it, above and beyond the already high level provided by Porsche. It is eligible for a wide variety of events and remains a very competitive car, perhaps the ultimate car for the privateer. 

Contact Information
Fantasy Junction +1 510 653 7555 Emeryville, California 94608 USA

The above vehicle information is complete and accurate to the best of our knowledge at the time it is posted to this website. Corrections or additional information is always appreciated. All advertised prices exclude government fees and taxes, any finance charges, any dealer document preparation charge, and any emission testing charge. Vehicles are subject to prior sale. All advertised to be true but not guaranteed. We assume no liability for errors or omissions.

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