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This was the first new V8 engine for Chrysler since the 1960s. [2] The companion V6 was basically the V8 with two fewer cylinders, another concept that originated at AMC before the company joined Chrysler. [3] These new engines had nothing in common with the Chrysler A engine V8s, nor the Jeep 4.0 L "PowerTech" I6 engine.
It is not the same as Chrysler's 360 V8. [4] Chrysler continued production of the AMC 360 engine after the 1987 buyout of AMC to power the full-size Jeep Wagoneer (SJ) SUV that was produced until 1991. [5] It was one of the last carbureted car/truck engines built in North America. [6] Chrysler never used this engine in any other vehicle.
This engine family was Chrysler's first 60° V6 engine designed and built in-house for front wheel drive vehicles, and their first V6 not based on a V8. It was designed as a larger, more powerful alternative to the Mitsubishi 3.0 V6 in the minivans and debuted in 1989 for the 1990 model year.
A V6 and two V8 engines were available: The standard engine is a 3.7L PowerTech V6; the two 4.7L V8 engines are the standard PowerTech V8 and the V8 High Output or HO. The 3.7L V6 produces 210 hp (157 kW) and 235 lb⋅ft (319 N⋅m) of torque. The standard-output 4.7L V8 produces 230 hp (172 kW) and 295 lb⋅ft (400 N⋅m) of torque.
The new in-line 8-cylinder engine is largely based on the six-cylinder engine that appeared on the Desoto Model K. It has five main levels, the central one being wider. [ 1 ] When the engineers had to rebore the cylinders to 3-1/2 inches, the space between each pair of cylinders was modified.
The standard engine between 2005 and 2009 was the 4.7L Power-Tech V8 engine, while the standard engine in 2010 was the 3.7L Power-Tech V6 engine. The Rocky Mountain and 65th Anniversary Edition were "value-added" trim levels of the Grand Cherokee for model years 2005, 2007, 2008, and 2009 (Rocky Mountain) and 2006 (65th Anniversary Edition).
The single overhead cam V6 engine introduced in 1993. It was derived from Chrysler's first homegrown front-wheel drive V6, the Chrysler 3.3 engine. The SOHC V6 has been replaced by the Chrysler Pentastar engine. There are three major variants of this basic design: the 3.5 L, 3.2 L, and 4.0 L. Additionally, a 2.7 L DOHC version was developed.
The 170 engine was offered in model years 1960 through 1969 in North America, and through 1971 for export markets. The first vehicle to offer the 170 slant-6 was the 1960 Valiant. The engine has a bore of 3 + 2 ⁄ 5 in (86.4 mm) and a stroke of 3 + 1 ⁄ 8 in (79.4 mm) for an actual displacement of 170.2 cu in (2.8 L). Connecting rod length is ...