2005 PSI CS400


2005 PSI CS400

CS400 is PSI’s first tuning project for the 997 Porsche and the car that will introduce the company to the North America. To produce 400 horsepower, PSI take a standard Carrera, add their own intake, exhaust and control unit. These components benefit from PSI’s motor sports program and provide a foundation for the company as both a tuner and a race team.

Since 1998, PSI have been working with Porsches, contesting them in the French and Belgian GT championships. By 2001, the Belgium-based company started offering tuning programs for the 996 range. Those developments reached a climax with the PSI Porsche GT2-R having 720 bhp @ 5500 rpm.

For 2005, PSI offer an Engine Kit for the 997, which consists of an air box, sports air filter, intake manifold, headers, catalytic converters, rear mufflers and a reprogrammed engine control unit. The newly developed body kit features bumpers, a front splitter, rear diffuser, and a giant wing made in carbon fiber.

Hopefully the CS400 is the first of several exciting Porsches to come from PSI. The North American site for PSI is currently being developed, however, their European site makes for an entertaining browse: http://www.psi-motorsport.com/porschetuning/index.php.

Story by Richard Owen for Supercars.net

2005 PSI CS400

In Detail

submitted byRichard Owen
engineBoxer-6 w/CS400 Engine Kit
valvetrainDOHC, 4 Valves per Cyl w/Variable Valve Timing
fuel feedFuel Injection
displacement3824 cc / 233.4 in³
bore99.06 mm / 3.90 in
stroke82.8 mm / 3.26 in
power298.3 kw / 400 bhp @ 7000 rpm
specific output104.6 bhp per litre
bhp/weight281.69 bhp per tonne
torque430 nm / 317.2 ft lbs @ 5500 rpm
body / frameUnit Steel
driven wheelsRWD
front tires235/35 ZR 19
rear tires295/30 ZR 19
front brakesCross Drilled & Inner Vented Rotors w/4-Piston, Aluminum Monobloc Calipers
f brake sizex 330 mm / x 13.0 in
rear brakesCross Drilled & Inner Vented Rotors w/4-Piston, Aluminum Monobloc Calipers
r brake sizex 330 mm / x 13.0 in
front wheelsF 48.3 x 20.3 cm / 19 x 8 in
rear wheelsR 48.3 x 27.9 cm / 19 x 11.0 in
f suspensionMacPherson Struts w/Lower Control Arms, Coil Springs, Stabilizer Bar, Shock Absorbers w/Active Control
r suspension5-Link Multilink w/Coil Springs, Shock Absorbers w/Active Control
wheelbase2350 mm / 92.5 in
front track1484 mm / 58.4 in
rear track1516 mm / 59.7 in
length4461 mm / 175.6 in
width1808 mm / 71.2 in
height1300 mm / 51.2 in
transmission6-Speed Manual
gear ratios3.91:1, 2.32:1, 1.61:1, 1.28:1, 1.08:1, 0.88:1, :1
final drive3.44:1