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


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