Carrera 2 and fitted with the M62 3.6-litre flat-six engine featuring a variety of upgrades focused around both the powertrain and chassis. Developed over a five-year period in cooperation with the car’s owner, Stephens was given the brief to retain a 993’s inherent character, but make it 25 percent better in every aspect.
This started with the engine, which has been enlarged from 3.6 to 3.8-litres. As well as the block being boat-tailed and stress relieved, there’s an OEM-spec 997crankshaft and bearings, RSR barrels and pistons, lightened conrods, a bespoke camshaft with Porsche Motorsport lifters and adjustable rockers and individual throttle bodies. It also picks up a 997 GT3 oil pump and a modified Cargraphic performance exhaust system.
The changes yield a 58bhp rise over the original 3.6-standard engine, producing 330bhp at 7400rpm and 265lb ft of torque at 5675rpm. The redline’s also been raised to 8500rpm, and there are plans to offer an even higher 360bhp specification for more serious track work, with this original example developed as a road car first and foremost. The six-speed manual transmission is retained with a Wavetrac limited-slip differential fitted.
Alongside these mechanical updates, Paul Stephens has also been busy ripping weight out wherever possible. It’s a thorough job too, the body having been stripped right back to bare metal, seam welded and fitted with an integral roll cage and the rain gutters removed. The engine cover, bumpers and engine cover are all new and made from a lightweight composite, so too the roof’s skin, while Porsche Motorsport has supplied thinner and lighter glass and an aluminium bonnet.
Paul Stephens has not revealed costs for this initial 993R customer car, nor how many he intends to build, which is dependent on the reaction to the car.
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