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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 ...
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.
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 ...
In particular, the 6.2 L features a two-valve per cylinder SOHC valve train with roller-rocker shafts, hemispherical heads, and two spark plugs per cylinder, as well as dual-equal variable cam timing. Notably, it uses a much wider 4.53 in (115.1 mm) bore spacing (compared to the Modular's 3.937 in (100.0 mm)), allowing for the use of larger ...
GMC replaced the Pontiac 223 with their own 228-cubic-inch (3.7 L) 228 in 1939. This OHV (overhead valve) engine was produced through 1953. With a cylinder bore of 3.5625 inches (90.49 mm), this is the smallest low-deck engine. All four low-deck engines have a stroke of 3.8125 inches (96.84 mm) and used 7 inch long connecting rods.
All-new cylinder block casting; All-new cylinder head castings; Strengthened connecting rods; Forged steel crankshaft; Continuously variable valve timing; Large 38.3 mm (1.51 in) intake valves and 30.6 mm (1.20 in) sodium-filled exhaust valves; Machined, domed aluminum pistons with top steel ring carrier for greater strength; 10.2:1 compression ...
The inline six-cylinder 71 series engine was introduced as the initial flagship product of the Detroit Diesel Engine Division of General Motors in 1938.. This engine was in high demand during WWII, necessitating a dramatic increase in output: about 57,000 6-71s were used on American landing craft, including 19,000 on LCVPs, about 8,000 on LCM Mk 3, and about 9,000 in quads on LCIs; and 39,000 ...
In a 1938 reorganization, Winton Engine Corporation became the GM Cleveland Diesel Engine Division, and GM's Detroit Diesel Engine Division began production of smaller (50–149 cu in (0.8–2.4 L) per cylinder) diesel engines. Locomotive engines were moved under the GM Electro Motive Division (EMD) in 1941, while Cleveland Diesel retained ...