2000 Silverado LM7/5.3 liter:

5.3L V8 (LM7/L59)
Displacement: 5328cc

Compression Ratio: 9.5:1

Valve Configuration: Overhead Valves(2 valves per cylinder)

Assembly Site:
Romulus, MI
St. Catharines, ON
Silao, Mexico

Valve Lifters: Hydraulic Roller

Firing Order: 1 - 8 - 7 - 2 - 6 - 5 - 4 - 3

Bore x Stroke: 96.01 x 92.00mm

Fuel System: Sequential Fuel Injection

Horsepower: 285 @ 5200 rpm

Torque (lb-ft): 325 @ 4000 rpm

Fuel Shut Off:
5600 rpm with Manual Transmission
5900 rpm with Automatic Transmission and Electronic Throttle Control (ETC)
6000 rpm with Automatic Transmission without ETC

Emissions Controls:
Evaporative System
Catalytic Converter
Exhaust Gas Recirculation
Positive Crankcase Ventilation

APPLICATIONS

GMC and Chevrolet 1500 and 2500 Sierra and Silverado and Chassis Cab (LM7)
Yukon and Tahoe (L59/LM7)
Yukon XL and Suburban (L59/LM7)
Cadillac Escalade (LM7)
Chevrolet Avalanche (LM7)

MATERIALS
Block: Cast Iron

Cylinder Head: Cast Aluminum

Intake Manifold: Composite

 

2002 Product Specifications

8.1L V8 (L18)

Displacement: 8128cc

Compression Ratio: 9.1:1

Valve Configuration: Overhead Valves (2 valves per cylinder)

Assembly Site: Tonawanda

Valve Lifters: Hydraulic Roller

Firing Order:1 - 8 - 7 - 2 - 6 - 5 - 4 - 3

Bore x Stroke: 107.95 x 111.00mm

Fuel System: Sequential Fuel Injection

Horsepower:
340 @ 4200 rpm (L18)
270 @ 3600 rpm (MD L18 w/LQY power option)
210 @ 3600 rpm (MD L18 w/LQQ power option)

Torque (lb-ft):
455 @ 3200 rpm (L18)
400 @ 1600 rpm (MD L18 w/LQY power option)
325 @ 1200 rpm (MD L18 w/LQQ power option)

RPM Limiting:
5000 rpm (C/K, G)
4000 rpm (MD with hydraulic brakes)
3800 rpm (MD with air brakes)

Emissions Controls: Exhaust Gas Recirculation

APPLICATIONS

Chevrolet Avalanche
2500HD and 3500 Sierra and Silverado pickup and crew cab (option)
3500 Silverado and Sierra chassis cab (option)
Classic Sierra 3500HD chassis cab (base)
Suburban and Yukon XL (option)
Express and Savana (option)
MD Series B-7 bus chassis (option)
MD C-Series 55/65/75 (base)

MATERIALS

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:
Coil-near-plug ignition
Electronic throttle control (non-OEM only)
Oil life monitor (New pickup and MD)
Oil level sensor (New pickup)
Extended life coolant
Platinum Tip Spark Plugs