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The Iron Duke engine (also called 151, 2500, Pontiac 2.5, and Tech IV) is a 151 cu in (2.5 L) straight-4 piston engine built by the Pontiac Motor Division of General Motors from 1977 until 1993. Originally developed as Pontiac's new economy car engine, it was used in a wide variety of vehicles across GM's lineup in the 1980s as well as supplied ...
The engines were also sold for marine and stationary applications. 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 ...
The GM Ecotec engine, also known by its codename L850, is a family of all-aluminium inline-four engines, displacing between 1.2 and 2.5 litres.Confusingly, the Ecotec name was also applied to both the Buick V6 Engine when used in Holden Vehicles, as well as the final DOHC derivatives of the previous GM Family II engine; the architecture was substantially re-engineered for this new Ecotec ...
The Duramax I4 engine is a family of turbocharged diesel I4 engines sold by General Motors in 2.5 and 2.8 liter sizes as an option for the Chevrolet Colorado, GMC Canyon, Chevrolet Express, and GMC Savana in southeast Asia and Oceania (Australia / New Zealand) from 2012, and in North America from 2016 through 2022.
Jeep with GM Iron Duke inline 4 2.5L/151 in³ (1980-1983). These use a Chrysler custom Torqueflite 904 automatic transmission with an integral Chevrolet bellhousing. Do not confuse with later AMC 2.5 L engine that uses GM small corporate pattern . Chevrolet Turbo-Thrift engine (post-1962) Chevrolet 153 Inline 4 (Chevy II, pre-Iron-Duke ...
2.5 L; 152.5 cu in (2,499 cc) straight-four, with two (pushrod-actuated) valves-per-cylinder and indirect fuel injection. 92 mm × 94 mm (3.62 in × 3.70 in), the engine size is variably referred to as either 2,500 or 2,499 cc. This engine too has been called HR 492, signifying four cylinders of 92 mm (3.62 in) bore. Timing gears, not belt.
The Family II is a straight-4 piston engine that was originally developed by Opel in the 1970s, debuting in 1981. Available in a wide range of cubic capacities ranging from 1598 to 2405 cc, it simultaneously replaced the Opel CIH and Vauxhall Slant-4 engines, and was GM Europe's core mid-sized powerplant design for much of the 1980s, and provided the basis for the later Ecotec series of ...
The GMC Acadia received a few updates for 2022, the most notable was the discontinuation of the 2.5 LCV I4 engine, which was standard on lower trim levels, the new standard engine became the turbocharged 2.0L LSY I4 while the 3.6L V6 LGX will still be available as an option. [29] All engines were still paired to a 9-speed automatic transmission.