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The 3.3 was introduced in 1989 with the 1990 Chrysler Imperial, New Yorker, and related K-series models, and was joined in 1991 by the 3.8. Production on the 3.3 was stopped in 2010 after a run of 5,076,603 [2] engines, while the 3.8 remained in production until May 2011 in Trenton, Michigan for the Jeep Wrangler.
The Wrangler 4xe provides an estimated 25 miles (40 km) of all-electric range. In late summer 2021 Jeep released the Rubicon 392 model, the most powerful JL ever produced. It comes with a 6.4L Hemi V8 that produces 470 hp (350 kW; 477 PS) and 470 lb⋅ft (637 N⋅m; 65 kg⋅m) of torque.
The 5.7 L Hemi is made at Chrysler's Saltillo Engine plant in Ramos Arizpe, Mexico. The Hemi was on the Ward's 10 Best Engines list for 2003 through 2007, and again in 2009. This engine has been used in the following vehicles: 2003–2024 Ram Pickup; 2004–2009, 2011–Present Dodge Durango; 2005–2008 Dodge Magnum R/T; 2005–2023 Chrysler 300C,
A V8 powered version of the Rubicon trim level debuted for the 2021 model year. This trim goes by Rubicon 392 and produces 470 hp (350 kW; 477 PS) horsepower and 470 lb⋅ft (637 N⋅m) of torque from the 392 cu in (6.4 L) HEMI V8 also found in Dodge's Scat Pack Charger alongside Jeep's own SRT Grand Cherokee. [18] [19]
The Hemi-6 is a pushrod O.H.V. (overhead valve engine), with combustion chambers comprising about 35% of the top of the globe. This creates what is known as a low hemispherical shaped chamber. In this way, the "Hemi" moniker was used for the same kind of marketing cachet as Chrysler's 1950s-1970s Hemi V8 engines.
This helped the corporation cut costs in development, as separate manufacturers like Dodge had to develop their own engines. Tom Hoover's development of the engine was simple. The cylinder head design of the past engines was a wedge, restricting air flow at higher engine revolution speed. The hemispherical cylinder head design increased power ...
Available as a two-door Wrangler or four-door Wrangler Unlimited, the Rubicon X is a version of Rubicon with electronic-locking front and rear Dana 44 axles, Rock-Trac transfer case with a "4-Low" ratio of 4:1, 4.10 front/rear axle ratio Tru-Lok locking differentials, six-speed manual transmission, BF Goodrich KM 255/75R17 tires, 17-inch ...
Chrysler Hemi engine: hot rods, older Mopar vehicles, Kit cars, dragsters The 426 Hemi was developed for NASCAR racing. The block is very similar to the 440 Chrysler truck engine, but the heads used a more hemispherical "bowl" shape to allow larger valves. The benefit was the improved high-RPM breathing.