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During the latter years of production, 379-and-432-cubic-inch (6.2 and 7.1 L) versions with enlarged crankshaft journals were manufactured as well. GMC produced a 637-cubic-inch (10.4 L) 60° V8 with a single camshaft using the same general layout (bore and stroke) as the 478 V6. The 637 V8 was the largest-displacement production gasoline V8 ...
The top-of-the-line model produced 283 hp (211 kW; 287 PS), giving it a 1:1 cubic inch to horsepower ratio; [18] this lowered the Corvette's 0–60 mph (0–97 km/h) to 7.2 seconds. [ 27 ] General Motors would produce more powerful and larger displacement iterations of the small-block, until stringent emission regulations in the late 1960s ...
A high-performance 327 cu in (5.4 L) variant followed, turning out as much as 375 hp (280 kW) (SAE gross power, not SAE net power or the current SAE certified power values) and raising horsepower per cubic inch to 1.15 hp (0.86 kW). From 1954 to 1974, the small-block engine was known as the "Turbo-Fire" or "High Torque" V8.
6.2L fitted to a 1987 HMMWV. The original 6.2 L (379 cu in) diesel V8 was introduced in 1982 for the Chevrolet C/K and was produced until 1993. The 6.2L diesel emerged as a high-fuel-economy alternative to the V8 gasoline engine lineup, and achieved better mileage than Chevrolet's 4.3L V6 gasoline engine of the 1980s, at a time when the market was focused on power rather than efficiency.
1997–2020 GM LS small-block V8 (referred to as Generation III or IV depending on type) 2014–present GM LT Generation V small-block V8 (Also called Ecotec3 V8) 2018–2020 Cadillac Blackwing twin-turbo V8; 2023–present Chevrolet Gemini DOHC V8; Cadillac Twelve engine
GMC's own V8 was the 637-cubic-inch (10.4 L) unit, which was essentially a 478 V6 with two cylinders added. It shared the 5.125 in × 3.86 in (130.2 mm × 98.0 mm) bore and stroke and used a single camshaft. It was manufactured in gasoline and diesel versions, and was the largest-displacement production gasoline V8 ever made for highway trucks.
Introduced in the MY2012 Holden Commodore SV6 and the MY2012 Chevrolet Camaro LS/LT, it is 20.5 pounds (9.3 kg) lighter than the LLT, thanks to a redesigned cylinder head, integrated exhaust manifold, and composite intake manifold. Other components like the fuel injectors, intake valves, and fuel pump have also been updated.
The 361-cubic-inch (5.9 L) 361 was released in 1939 alongside the 426 and 451. The 361 was discontinued in 1949 and replaced by the 360 "Group 2" engine. The 360 and 361 shared the exact same 4 + 1 ⁄ 8 inches (100 mm) bore and 4 + 1 ⁄ 2 inches (110 mm) stroke, but the 361 used the larger "Group 3" block. It produced a maximum 136 hp @ 3000 ...