Gen IIIThe new Hemi first appeared in the '03 Dodge 2500 and 3500 fullsize pickups as a replacement for the Magnum 5.9 (360-cid) engine.It displaced 5.7 liters, and even though the figure should
Note – the MDS feature was not used on 5.7L HEMI V8 engines when equipped with a six-speed manual transmission like on the Challenger R/T. In most cases, many car and engine builders do away with the MDS feature when swapping a 5.7L HEMI engine into an older vehicle to eliminate the odd four cylinder sound that occurs when it is operating.3) Ram 5.7 HEMI Intake Manifold Upgrades. An intake manifold is another one of the most popular 5.7 HEMI power upgrades. Porting the manifold is one choice otherwise you can upgrade to a new aftermarket manifold. For the Ram 1500 some opt to upgrade to the 6.4 HEMI manifold with an upgrade kit like this.Engine options for the rest of the 2015 Dodge Challenger pale a bit in comparison to the Hellcat, but are heavy hitters in their own right: a 5.7-liter Hemi (372 hp) and the 6.4-liter Hemi, aka
The Chrysler 6.4 HEMI made its debut in the 2011 Dodge Challenger SRT8 with 470 horsepower and 470 lb-ft. It’s since made its way into many other Chrysler, Dodge, and Jeep vehicles. Peak output comes in at 485 horsepower and 475 lb-ft of torque. Clearly, the 392 HEMI is no slouch from the factory.
2008–2010 Dodge Challenger SRT-8; Chrysler 6.1 HEMI Engine Design Basics. The Chrysler/Dodge 6.1 HEMI is a 6.1 L (369.7 cid) HEMI engine with a 90° V8 configuration. It has an aluminum head and an iron block. Compared with traditional flat-topped motors, HEMI engines have hemispherical shaped combustion chambers, hence the name.From the owner's manual: "The 3.6L and 5.7L engine (with automatic transmission) is designed to meet all emissions regulations and provide satisfactory fuel economy and performance when using high-quality unleaded gasoline having an octane range of 87 to 89. The manufacturer recommends the use of 89 octane for optimum performance."