GM/Chevrolet 7.4 454 Vortec - Production Years 1996-2000

Description

In 1996, Chevy/GM began producing the L29 Vortec engine. These were based on the GM/Chevy big block 454, but included hydraulic roller cams and other more advanced technology.

The engine’s multi-port fuel injection gives this engine slightly more power and better fuel economy.

During this time, Chevy/GM also manufactured the L21 for commercial vehicles. This engine included forged pistons and crankshaft. The L21 also included a coil near plug ignition.

Makes & Models

The L29 was designed for medium-duty truck platforms, including

• 1996-2000 Chevy C/K Trucks
• 1996-2000 GMC Sierra 2500, 3500, and C3500HD
• 1996-2000 Chevy/GMC Suburban 2500
• 1996-2000 Chevy Express
• 1996-2000 GMC Savana 3500

1996-2000 Chevy 454s from MABBCO

• Short Block Chevy 454s - 1996-2000
• Long Block Chevy 454s - 1996-2000

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