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While Tom Hoover developed the 426 Hemi engine, cylinder heads can be interchanged between specific engines. The development team at Chrysler tried using wedge cylinder heads at first. Horsepower was recorded at 490 base horsepower. When swapped with the hemispherical heads, the engine immediately produced 550 horsepower. [1]
The original Charger 500 prototype was a 1968 Charger R/T with a 426 Hemi and automatic transmission. The prototype was painted in B5 Blue with a white stripe and a white interior. The Charger 500 was one of three models introduced in September 1968. The standard engine was the 440 Magnum, but factory literature described the 426 Hemi as standard.
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.
Intended to deal with the troubles created by the low-production 426, of which only about 9,000 were built from 1966 to 1972), [4] as well as the different architectures of the higher-volume 383 cu in (6.3 L) and 400 cu in (6.6 L) B and 440 cu in (7.2 L) RB V8s, the ball-stud hemi was to be suitable for high-volume manufacture at low cost while ...
The Chrysler B and RB engines are a series of big-block V8 gasoline engines introduced in 1958 to replace the Chrysler FirePower (first generation Hemi) engines. The B and RB engines are often referred to as "wedge" engines because they use wedge-shaped combustion chambers; this differentiates them from Chrysler's 426 Hemi big block engines that are typically referred to as "Hemi" or "426 Hemi ...
A single ticket sold in Southern California matched all six numbers and was the lucky winner of the $426 million Mega Millions jackpot prize. The winning numbers drawn Friday night were 3, 16, 25 ...
The original Super Bee was based on the Dodge Coronet, a 2-door model, and was produced from 1968 until 1970. It was Dodge's low-priced muscle car, the equivalent to Plymouth Road Runner, and was priced at $3,027. Available with the Hemi engine, this option increased the price by 33% thus 125 models were sold with this engine option.
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.