Type
8.1L V8
Displacement
8128cc (496 ci)
Compression Ratio
9.1:1
Valve Configuration
Overhead Valves (2 valves per
cylinder)
Valve Lifters
Hydraulic Roller
Firing Order
1 - 8 - 7 - 2 - 6 - 5 - 4 - 3
Bore x Stroke
107.95 x 111mm
Fuel System
Sequential Fuel Injection
Horsepower
330 hp (246 kw) @ 4200 rpm
Torque
450 lb-ft (610 Nm) @ 3200 rpm
Fuel Shut-off
5000 rpm
Emissions Controls
Evaporative System
Catalytic Converter
Returnless Fuel System
Block
Cast Iron
Cylinder Head
Cast Iron
Intake Manifold
Cast Aluminum
Exhaust Manifold
Cast Stainless Steel
Main Bearing Caps
Cast Nodular Iron
Crankshaft
Cast Nodular Iron
Camshaft
Steel
Connecting Rods
Forged Steel
Additional features
Extended Life Spark Plugs
Extended Life Coolant
Electronic Throttle Control
Floating Pin Pistons
Coil-Near-Plug Ignition
Hex Chrome free coatings
Metal Carrier Intake Manifold Gaskets
5.3L Vortec Specs
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