1996 Riley & Scott MkIII-Oldsmobile WSC

ENGINE
Type V-8, normally aspirated, cast aluminum block and heads
Displacement 4.0 liters ( 243 cu in)
Valvetrain DOHC 4-valve
Compression Ratio 12.5:1
Bore & Stroke 95.3 mm x 69.9 mm
Horsepower 570 bhp @ 9000 rpm
Torque 330 lb-ft @ 7800 rpm
Redline 10,500 rpm
Fuel Injection Electronic sequential port
PERFORMANCE
0-60 MPH 3.1 sec
1/4 Mile 10.9 sec @ 133.5 mph
Top Speed est 190
Mileage (city/highway) na
Power-to-Weight Ratio 3.8 lbs per bhp
CHASSIS
Suspension
   front Upper and lower A-arms, lower toe links, push rods, coil springs, tube shocks, anti-roll bar
   rear Upper and lower A-arms, pushrods, coil springs, tube shocks, anti-roll bar
Steering Power-assisted, rack and pinion, 1.6 turns lock-to-lock
Brakes Four-wheel, hydraulic-assisted, vented discs
   front 14.0 in
   rear 14.0 in
Wheels and Tires
   front Cast alloy 17 x 12 in, 305/645
   rear Cast alloy 17 x 14.5, 350/690
DRIVETRAIN
Transmission Five speed manual
Layout Mid-engine, rear wheel drive
Gear Ratios
1st 3.07
2nd 2.50
3rd 1.95
4th 1.62
5th 1.36
6th na
Final Drive Ratio 3.10:1
DIMENSIONS
Type IMSA WSC race car
Construction Carbon fiber body, skeletal steel and composite panel frame with semi-stressed engine block
Overall Length 183.0 in
Width 79.0 on
Height 42.0 in
Wheelbase 110.0 in
Weight Distribution (front/rear) 43 % / 57 %
Curb Weight 2160 lbs
Fuel Tank Capacity 21.2 gallons
Trunk Capacity na
Headroom (front/rear) na / na
Legroom (front/rear) 39.0 in / na
The data was obtained by Road & TrackŪ magazine