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The 2008 Dodge Dakota and Ram pickup trucks, Dodge Durango and Chrysler Aspen SUV's, Jeep Grand Cherokee, and Jeep Commander came with a Corsair version of the FFV 4.7 L engine, with dual spark plugs per cylinder, a new slant / squish combustion system design, and 9.8:1 compression, raising power to 290–310 hp (216–231 kW) and 320–334 lb ...
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 ...
For 1956, Dodge increased the displacement to 315 cu in (5.2 L) with a longer 3.80 in (96.5 mm) stroke and a taller raised-deck block, but used polyspheric rather than hemi heads on the base version. The optional high-performance D-500 version had a four-barrel carburetor and a larger-valved Dodge hemispherical combustion chambered head.
The 5.2 L Magnum, released in 1992, was an evolutionary development of the 318 cu in (5.2 L) LA engine with the same displacement. The 5.2 L was the first of the Magnum upgraded engines, followed in 1993 by the 5.9 L V8 and the 3.9 L V6.
The RE is an electronic hydraulic system that is considered for heavy-duty use. Both transmissions are also used in the Dodge Dakota and Jeep Cherokee among other Chrysler models. Gear ratios in both transmissions are 2.74:1 for first gear, 1.54:1 for second gear, 1.00:1 for third gear, and 0.69:1 for fourth gear. [23]
The Northstar engine is a family of high-performance 90° V engines produced by General Motors between 1993 and 2011. Regarded as GM's most technically complex engine, the original double overhead cam, four valve per cylinder, aluminum block/aluminum head V8 design was developed by Oldsmobile R&D, [citation needed] but is most associated with Cadillac's Northstar series.
The Ram Air IV used the Ram Air II's camshaft but lift in the Ram Air IV was increased to 0.52 in (13 mm) thanks to the use of 1.65 ratio rocker arms (vs 1.50). The Ram Air IV heads had 1/8" taller intake ports, larger intake port volume with more airflow, yet shared the Ram Air II round exhaust ports.
A turbocharged version of the Stratus was sold in Mexico, with the 2.4 L DOHC four-cylinder engine and a four-speed automatic transmission with Autostick. This engine produced 168 hp (125 kW; 170 PS) at 5,200 rpm and 216 pound force-feet (293 N⋅m) of torque at 2,200 rpm. The 2.4 L turbo engines were only available for the Mexican market.