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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.
Dodge kept the previous generation's model designations: D or Ram indicate two-wheel drive while W or Power Ram indicate four-wheel drive. Just like Ford's F-Series, Dodge used "150" to indicate a half-ton truck, 250 for a three-quarter-ton truck, and 350 for a one-ton truck. The truck models were offered in standard cab, "Club" extended cab ...
In addition, the Ram 1500 features active front grille shutters, which are now driver-adjustable, as well as a lower drag coefficient for improved aerodynamic performance. Also new for the Ram 1500 is a new 4×4 Off-Road Package, which includes a factory-equipped suspension lift, off-road tires, and enhanced off-road performance and handling ...
It used a 0.5 in (12.7 mm) lift solid-lifter camshaft, fabricated-steel-tube exhaust, and a Holley 4-barrel carburetor, producing 275 hp (205 kW) (1 hp/cu in). The car so equipped was called the "D-Dart," a reference to its classification in NHRA D-stock for drag racing, which was the car's only intended purpose.
The Dodge Dakota, marketed as the Ram Dakota for the final two years of production, is a mid-size pickup truck manufactured by Chrysler and marketed by its Dodge Truck division (model years 1987-2009) and later its Ram Truck division (2009-2010) — across three generations.
The stretchy fuel-pump timing chain was a minor problem in light of the other issues. Poor dealer service training only made all the problems worse. [8] General Motors also carried out several redesigns of the V8's heads, bolts, and various other parts, but by the time the engine was trouble-free the reputation damage had already been done.
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.
The 303-cubic-inch (5.0 L) engine had hydraulic lifters, an oversquare bore:stroke ratio, a counterweighted forged crankshaft, aluminum pistons, floating wristpins, and a dual-plane intake manifold. The 303 was produced from 1949-1953. Bore was 3.75 in (95 mm) and stroke was 3.4375 in (87.31 mm).