ALL VIPER MODELS INCLUDE:-
Engine
Number Of Cylinders – 10
Displacement – 8.0 Litres (488 cu in)
Bore and Stroke – 4.00 x 3.88 inches
Horsepower – 450 @ 5,200 RPM
Torque – 490 lb-ft @ 3,700 RPM
Redline – 6,000 RPM (6,200 RPM Fuel Shutoff)
Compression Ratio – 9.6:1
Design – 90-degree V10, Cast aluminium block with cast-iron cylinder liners,
Aluminium heads and oil pan, forged aluminium pistons with forged steel
Connecting rods.
Firing Order - 1, 10-9, 4-3, 6-5, 8-7, 2 (Unequal firing 90-degree and
54-degree intervals).
Crankshaft – Forged steel, six main bearings.
Valve Train – Overhead with pushrod-actuated rocker arms and hydraulic
Roller lifters, dual valve springs, two valves per cylinder.
Intake Manifold – Aluminium, ram-tuned with dual plenums.
Exhaust Manifolds – Tubular design, stainless steel.
Fuel Delivery – Sequential multipoint electronic featuring bottom-feed,
High-impedance injectors.
Recommended Fuel – Premium unleaded.
Emissions Control – Three-way catalytic converters with dual oxygen sensors,
Two per side, feedback fuel/air ratio control.
Exhaust System – One-piece stainless steel catalyst and muffler assembly
Featuring a rear exit.
Cooling System – Copper core radiator, dual-speed 17-inch electric fan,
Aluminium water pump and a front mounted air-to-oil cooler.
Drive Train
Transmission – Six-speed manual, fully synchronized, with aluminium housing.
Gear Ratios –
(1st) 2.66:1 (2nd) 1.78:1
(3rd) 1.30:1 (4th) 1.00:1
(5th) 0.74:1 (6th) 0.50:1
(Reverse) 2.90:1 (Overall top gear) 1.54
Clutch – Hydraulic, Single dry-disc, 12.2-inch diameter.
Differential – Clutch-type, limited-slip, modified mounting, final drive – 3.07:1
Wheels and Tires
Front wheel size – 10 inch x 18 inch
Back wheel size – 13 inch x 18 inch
Tire Type – Michelin Pilot Sport high-performance steel belted radials.
Front tire size – P275/35ZR18
Back tire size – P335/30ZR18
Suspension
Front -