01-04.5 Duramax LB7

The LB7 Duramax was first introduced in 2001 and produced until 2004. The 32 valve, V8 design utilizes a high pressure common rail direct injection system. Due to the lack of emission equipment, the LB7 is considered one of the most sought after Duramax's built, obtaining the best fuel mileage and having the simplest design.

Years Produced 2001 - 2004.5
Displacement 402 cubic inches, 6.6 liters
Configuration 90 degree V8
Compression Ratio 17.5:1
Bore 4.06 inches
Stroke 3.90 inches
Aspiration • Turbocharger
• air to air intercooler
• Maximum boost: 20 psi
Valvetrain OHV, 4 valves per cylinder
Injection • Direct injection
• Bosch high pressure common rail, CP3 injection pump
• 23,000 psi max injection pressure
Horsepower • 235 hp @ 2,700 RPM (2001)
• 300 hp @ 3,100 RPM (2004)
Torque • 500 lb-ft @ 1,600 RPM (2001)
• 520 lb-ft @ 1,800 RPM(2004)
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PTP Turbo Blanket 2001-2004 Chevy/GMC 6.6L

Lava Turbo Blanket Materials: With an outer layer made from actual pulverized volcanic lava rock ..

$159.95

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