The basic Gen III Chevy 5.3L engine began its production life in 1999. Furthermore the Gen III version of the engine was offered in;
- Cadillac Escalade
- Chevrolet Avalanche
- GMC Savana
- Buick Rainier
- Isuzu Ascender
Gen III Chevy 5.3L Engine
Also there are at least nine different versions of the 5.3L Vortec. More generically they are split into the Generation III and Gen IV of the V8 small block series. In addition some of the major modifications between Gen III and Gen IV are the modifications to the block design to enable the use of active fuel management. As a result which can essentially turn off cylinders when not required for power production, and the engine is designed to all variable timing.
Roadmaster Engine has rebuilt gas engines since 1953.
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