Manual

Overview & Design Features The GMC EcoTec3 L87 engine is a prominent 6.2-liter (6162 cc) naturally aspirated V8 power unit, developed by General Motors and a key member of the Gen V Small Block engine family. Introduced in 2014, it represents a significant advancement in GM’s long-standing pushrod V8 heritage, combining robust performance with enhanced […]

Overview & Design Features The GM Chevrolet Small-Block 307, often associated with GMC vehicles due to shared platforms and powertrains, represents a specific iteration within General Motors’ iconic Gen I Small-Block V8 family. Introduced in 1968, this engine featured a displacement of 307 cubic inches (approximately 5.0 liters). It was conceived as an economical and […]

Overview & Design Features The GM Chevrolet Small-Block 350 is a legendary internal combustion engine, primarily produced by General Motors for its Chevrolet and GMC divisions, alongside other GM marques. Introduced in 1967, this 350 cubic inch (5.7-liter) V8 engine quickly became a cornerstone of the automotive industry, celebrated for its robust design, versatility, and […]

Overview & Design Features The GM Chevrolet Straight-6 250 cubic inch engine, commonly associated with both Chevrolet and GMC vehicles, stands as a foundational powerplant from the General Motors era of robust, no-frills engineering. Introduced in 1966 as an evolution of earlier Chevrolet straight-six designs, this 4.1-liter (4097 cc) inline-six engine was engineered for economy, […]

Overview & Design Features The GM L3B engine, a 2.7-liter turbocharged inline-four, represents a significant engineering departure for General Motors, initially launched for its full-size pickup trucks. Introduced in the 2019 model year, this engine was designed from the ground up to offer competitive power and torque previously associated with naturally aspirated V6 and even […]

Overview & Design Features The GM Vortec LQ4 is a robust 6.0-liter (5967cc) V8 engine, an integral part of General Motors’ Gen III small-block architecture. Primarily engineered for heavy-duty truck and SUV applications, the LQ4 distinguished itself through its potent power delivery and durable construction. Launched in 1999, it served as a workhorse engine, providing […]

Overview & Design Features The GMC L03 is a 5.0-liter (305 cubic inch) naturally aspirated V8 engine, part of General Motors’ venerable Small-Block Chevrolet family. Primarily produced from 1987 to 1993, this engine served as a workhorse in numerous light-duty trucks, SUVs, and passenger cars, representing an important transitional period for GM powertrains with its […]

Overview & Design Features The GMC L05 engine is a widely recognized 5.7-liter (350 cubic inch) V8 gasoline engine, a prominent member of General Motors’ venerable small-block engine family. Manufactured between approximately 1987 and 1996, the L05 served as a foundational powerplant for a vast array of light trucks, SUVs, and full-size sedans under the […]

Overview & Design Features The GMC L18, officially known as the Vortec 8100, represents the final iteration of General Motors’ venerable big-block V8 engine family. Manufactured by GMC (a division of General Motors), this engine boasts a substantial displacement of 8.1 liters (496 cubic inches) and features a traditional overhead valve (OHV) V8 configuration. Introduced […]

Overview & Design Features The GMC L19, designated by General Motors as a Regular Production Option (RPO) code, identifies a specific iteration of the 6.0-liter (364 cubic inch) V8 gasoline engine. Predominantly associated with the robust Gen IV small-block architecture, the L19 typically refers to the L96 engine, a direct evolution of the LY6. This […]