Porsche Cayman GT4 Track build
Slideshow: The Cayman GT4 in came out of the factory a serious track day machine. But this build takes the mid-engine Porsche to an entirely new level.
Enter BBi Autosport
Since 2005, BBi Autosport has been putting magic into Porsches to extract better and better track times. The team has been fabricating exhaust systems and other products over the years. Their network grows has been growing over time, and they have been cranking out some of the most fierce track-focused Porsches we've seen over the years. They now have a CNC machine to facilitate R&D and their in-house fabrication capabilities.
The specimen
For this project, the weekend track warrior of choice would be a white Porsche Cayman GT4. Numerous upgrades including those to the suspension, the brakes, and the transmission were put in place to push the Cayman platform vehicle to its absolute limits.
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Engine upgrades
The motor got a few upgrades to crank out the extra ponies, giving the Cayman the added power for use on the track. The upgrades included IPD and Cobb Power Package (IPD Competition Intake Plenum and GT3 82mm Throttle Body), along with SP Motorsport's lightweight clutch & flywheel kit. These weight savings help to immensely improve throttle response. Power is presented to the pavement with the addition of a Guard Transmission Pro LSD. An "LSD" or limited slip differential allows both wheels to spin concurrently allowing for more linear power delivery.
>>Join the conversation about this Cayman GT4 track car right here in the 6SpeedOnline Forum!
Ground control
A proper suspension lends a lot of support in making sure the car stays planted as it delivers power to the ground. The front suspension upgrades included BBi's own bump steer kit as well as adjustable thrust arms and bushings along with lower control arm bearing end kits. The rear suspension upgrades include BBi's adjustable thrust arms and bushings along with lower control arm bearing end link kits. These components help to eliminate bump steer by maintaining proper front end suspension geometry. These were also paired up with Tarett Engineering adjustable sway bar end links both at the front and rear. BBi Autosport also supplied the car with upper shock mounts.
>>Join the conversation about this Cayman GT4 track car right here in the 6SpeedOnline Forum!
Safety components
No track car is ready to carve the pavement without upgrades to the safety components. This car has received BBi's own Safety Package which includes a bolt-on roll bar, sub-strap mount, and Schroth 6-point harnesses to properly secure the driver and provide additional protection.
>>Join the conversation about this Cayman GT4 track car right here in the 6SpeedOnline Forum!
Natural Habitat
Once the car was completed, it was unleashed for a track day at Thunderhill Raceway Park in Sacramento Valley, California. The track is the venue for the longest automobile race in the United States, "the 25 Hours of Thunderhill", held in December every year. In this picture, you'll notice the car sits lower than your standard GT4 and with the BBS E88s, the combination is a killer look both on and off the track.