Viper Competition Coupe
General Information
Single-seat grand touring competition coupe (not street-legal)
Viper Competition Coupe build facility, Livonia, Mich.
Engine
Type and Description
10-cylinder 90-degree V-type, liquid-cooled
Displacement
505 cubic inches
Construction
356-T6 aluminum alloy block with cast-iron liners, aluminum alloy cylinder
heads
Bore x Stroke
4.03 inches x 3.96 inches
Valve System
Two pushrod-actuated overhead valves per cylinder with roller-type hydraulic
lifters
Fuel Injection
Sequential, multi-port electronic with individual runners
Compression Ratio
9.6:1
520 horsepower (est.) at 5600 rpm
Torque (SAE net)
540 lb.-ft. (est.) at 4600 rpm (max)
Max Engine Speed
6100 rpm
Fuel Requirement
Premium (93 octane)
Oil Capacity
11 quarts, Mobil 1 15W50 Synthetic
Exhaust System
Stainless steel tubular exhaust manifold, GTS-R-style low-restriction racing
mufflers, side exit
Emission Controls
N/A
Fuel System
Racing fuel cell
26.4 gallons (100 liters)
Electrical System
125-Ampere high-speed
Dry cell/leak-resistant maintenance-free 470 CCA
Transmission
Type
Tremec T-56 synchronized 6-speed manual
Gear Ratios
1st ..... 2.66
2nd ..... 1.78
3rd ..... 1.30
4th ..... 1.00
5th ..... 0.74
6th ..... 0.50
3.07
Overall Top Gear
1.54
Final Drive
Frame-mounted hypoid bevel gear with speed-sensing limited-slip differential
Performance Estimates
3.8 sec.
0-100 mph Acceleration
9.2 sec.
0-1/4-mile Acceleration
11.8 sec. at 123 mph
Top Speed
192 mph
90 ft.
100-0 Braking
260 ft.
Lateral Acceleration
1.3g
Dimensions/Capacities
99 inches
Track, Front
62.8 inches
Track, Rear
63.3 inches
Overall Length
184.1 inches
Overall Width
77.9 inches (body)
79.1 inches (mirrors)
46.9 inches
Ground Clearance
3.0 inches
Curb Weight
2,995 lbs.
Weight Distribution F/R
50/50
Safety
FIA approved safety cage incorporating engine bracing, driver-activated fire suppression system, custom-fitted side-window netting, Teamtech six-point driver restraint system
Accommodations
1
Type
Racetech competition seat
Motec race dash and data acquisition system with ECU interface, carbon fiber dash panels
Cockpit Features
Hurst short throw shifter, fire suppression activation switch, electrical
system cut-off
Suspension
Cast-aluminum unequal-length upper and lower A-arms with spherical bearing frame attachments, 2.25 inch race springs, Moton monotube coil-over, compression and rebound-adjustable dampers and six-lug production hubs
Cast aluminum unequal-length upper and lower A-arms with spherical bearing frame attachments, 2.25 inch race springs, Moton monotube coil-over, compression and rebound-adjustable dampers and six-lug production hubs
Body/Chassis
Longitudinal front engine, rear-wheel drive
Chassis Construction
Backbone tubular steel space frame with separate cowl structure
Composite body panels, Lexan rear window
Aerodynamics
Wind-tunnel tuned rear wing, front splitter and rear diffuser, partial
undertray
Tires
Hoosier racing slicks
Size, Front
P305/645ZR18
P345/690ZR18
Steering
Power-assisted rack and pinion, solid mounted with travel restrictors
Overall Ratio
16.7:1
Turning Circle Diameter
53 feet
Production Viper with tilt
Steering Wheel
GTS-R type race wheel
Wheels
Three piece BBS, forged aluminum centers
Size, Front
18x11 inches wide
18x13 inches wide
Brakes
Type
Four-wheel vented cast-iron disc, Brembo four-piston/two-pad calipers with
advanced ABS, electronically adjustable front-rear bias, carbon fiber front
cooling ducts