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The Quad 4 is the first domestic regular production DOHC four-cylinder engine wholly designed and built by GM, the only similar prior example being the Chevrolet Cosworth Vega, whose DOHC head was designed by Cosworth in England. In addition to the 2.3-liter DOHC Quad 4s, there was also a short-lived 2.3-liter SOHC variant called the "Quad OHC ...
Jeep with GM Iron Duke inline 4 2.5L/151 in 3 (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)
The export Trans Sport was initially offered with a 2.3L Quad 4 (LD2) I4 engine paired with a 5-speed manual transmission (a combination never offered in North America); from 1992, the 3800 3.8L V6 and 4T60 4-speed automatic transmission was offered as an option. [9] [10]
In 1995, the Quad 4 engines received balance shafts and direct driven power steering off the intake camshaft. The 4-speed automatic that was mated to the 3.1 L in 1994 became optional as a step-up from the 3-speed for 1995 on the new Quad 4 engine. [3] 1992-1995 Pontiac Grand Am sedan
Pontiacs introduction included anti-lock brakes, GM's Quad-4 engine, airbags, and composite materials. Safari station wagon production ended in 1989, the last V8-powered full-sized, rear-wheel drive Pontiac until the 2009 G8. The 1990 model year saw the launch of Pontiac's first minivan and light truck, the Trans Sport. In addition, the Grand ...
The Pontiac 6000 is a mid-size automobile manufactured and marketed by Pontiac from the 1982 to 1991 model years. As Pontiac transitioned to a numeric model nomenclature in the early 1980s, the 6000 replaced the LeMans as the mid-size Pontiac, slotted between the Phoenix (later the Grand Am) and the Bonneville. Through its production life, the ...
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 ...
Starting around 1925 engine blocks and cylinder heads were now developed at each brand but were cast at Saginaw Metal Casting Operations. [3] In the mid-1960s, there were 8 separate families of GM V8 engines on sale in the USA. [4] [1] By the 1970s, GM began to see problems with their approach.