THE VIPER STOCK ENGINE
Number of Cylinders 10
Displacement 8.0 liters (488 cu in)
Bore and Stroke 4.00" x 3.88"
Horsepower 450 hp ~ 5,200 rpm
Torque 490 Ib-ft C 3,700 rpm
Redline 6,000 rpm (6,200 rpm fuel shut-off)
Compression Ratio 9.6:1
Engine Design 90-degree V10. cast aluminum block with cast iron
cylinder liners,
aluminum heads and crankcase
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 Manifolds Aluminum, ram-tuned with dual
plenums
Exhaust Manifolds High temperature ductile iron,
multiple branch design
Fuel Supply Sequential multipoint fuel
injection with bottom-fed, high-
impedance injectors
Recommended Fuel Premium unleaded
Emissions Controls Three-way catalytic converters
with quad oxygen sensors, two
per side. feedback fuel-air ratio
control
Exhaust System Stainless steel catalyst and
resonator in sill and muffler
assembly featuring rear exit
exhaust
Cooling System Copper core radiator, electric fan,
two-row radiator design
8.0-Liter Engine Specifications
Engine OHV SMFI 20-Valve V-10
Displacement 8.0-Liter (488 CID)
Bore and Stroke
4.00" x 3.88"
Fuel System
Sequential Bottom-Fed
Horsepower
450 ~ 5,200 rpm
Torque (Ib-Ft) 490 ~ 3,700 rpm