Porsche 944 Turbo S (1988)

Porsche 944 Turbo S (1988)


Dan Bucsa (Our Racing Simulator Project) version 2.3 - 13/05/2023


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In 1988, Porsche introduced the Turbo S. The 944 Turbo S had a more powerful engine (designation number M44/52) with 250 hp (186 kW) and 258 lb⋅ft (350 N⋅m) torque (standard 944 Turbo 220 hp (164 kW) and 243 lb⋅ft (329 N⋅m)). This higher output was achieved by using a larger K26-8 turbine housing and revised engine mapping which allowed maintaining maximum boost until 5800 rpm, compared to the standard 944 Turbo the boost would decrease from 1.75 bar (175 kPa; 25.4 psi) at 3000 rpm to 1.52 bar (152 kPa; 22.0 psi) at 5800 rpm. In June 1988, Car and Driver tested the 944 Turbo S (with the advantage of shorter final drive gear) and achieved a 0-60 mph (97 km/h) time of 5.5 seconds and a quarter-mile time of 13.9 seconds at 101 mph (163 km/h). Top speed was factory rated at 162 mph (261 km/h).

The 944 Turbo S's suspension had the "M030" option consisting of Koni adjustable shocks front and rear, with ride height adjusting threaded collars on the front struts, progressive rate springs, larger hollow rear anti-roll/torsion bars, harder durometer suspension bushings, larger 26.8 mm (1.055 in) hollow anti-roll/torsion bars at the front, and chassis stiffening brackets in the front frame rails. The air conditioning dryer lines are routed so as to clear the front frame brace on the driver's side. The 944 Turbo S wheels, known as the Club Sport design, were 16-inch Fuchs forged and flat-dished, similar to the Design 90 wheel. Wheel widths were 7 inches (178 mm) in the front, and 9 inches (229 mm) in the rear with 52 mm (2.047 in) offset; sizes of the Z-rated tires were 225/50 in the front and 245/45 in the rear. The front and rear fender edges were rolled to accommodate the larger wheels. The manual transmission (case code designation: AOR) featured a higher friction clutch disc setup, an external cooler, and a limited-slip differential with a 40% lockup setting. The Turbo S front brakes were borrowed from the Porsche 928 S4, with larger Brembo GT 4-piston fixed calipers and 12-inch discs; rear Brembo brakes remained the same as a standard Turbo. ABS also came standard.

The 944 Turbo S interior featured power seats for both driver and passenger, where the majority of the factory-built Turbo S models sported a "Burgundy plaid" (Silver Rose edition) but other interior/exterior colors were available. A 10-speaker sound system and equalizer + amp was a common option with the Turbo S and S/SE prototypes.


Credits

Assetto Drive - Creator / Convertor
Stephen Brown - Driver Animations Adjustments
RealAKP - Car VAO and seatbelts 3d model
Kuznetsov Anton - Wipers Animation
Norman Leslie - Power and Engine Updates
VRDriving - Physics Updates
Heckle Vis - Headlights Refraction Help
Dan Bucsa - Full mod remaster...