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Auto reviews measured this at 4.5 seconds, making the 2014 SRT the fastest Jeep ever produced at the time. [28] The 2013-14 SRT Jeep Grand Cherokee includes a 6.4L Hemi motor producing 470 hp (350 kW) and 465 lb⋅ft (630 N⋅m), which was the most powerful engine ever included in a Jeep at the time of production.
2005 was the last year for the first version of the 5.7 L (345 cu in) Hemi V8. 2006 half-ton models offered the Multi-Displacement System Hemi V8 engine that also became available in Chrysler and Dodge sedans. This engine featured the same performance but had a cylinder-deactivating feature enabled under light loads to increase fuel economy by ...
A hemispherical head ("hemi-head") gives an efficient combustion chamber with minimal heat loss to the head, and allows for two large valves.However, a hemi-head usually allows no more than two valves per cylinder due to the difficulty in arranging the valve gear for four valves at diverging angles, and these large valves are necessarily heavier than those in a multi-valve engine of similar ...
Chrysler developed its first experimental hemi engine for the Republic P-47 Thunderbolt fighter aircraft. The XIV-2220 was an inverted V16 rated at 2,500 hp (1,860 kW). The P-47 was already in production with a Pratt & Whitney radial engine when the XIV-2220 flew successfully in trials in 1945 as a possible upgrade, but the war was winding down and it did not go into production.
It featured a high output 350 hp (261 kW) version of the 5.7 L (345 cu in) Hemi as well as an updated suspension and tires. Visual additions included a special front fascia with a chin spoiler and a black rear spoiler. In a retro touch, the Daytona R/T featured black "Hemi" decals on the hood and rear fender and retro high impact colors.
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.
The Dodge Durango is a mid-size SUV produced by Dodge starting with the 1998 model year. The first two generations were very similar in that both were based on the Dodge Dakota and Dodge Ram, both featured a body-on-frame construction and both were produced at the Newark Assembly Plant in Newark, Delaware through the 2009 model year.
In late 2005, Dodge teased spy photos of the Dodge Challenger prototype on the internet, and it was announced on November 21, 2005, showing an official sketch of the vehicle. [15] The Dodge Challenger Concept was unveiled at the 2006 North American International Auto Show and was a preview for the third-generation Dodge Challenger that started ...