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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 ...
For the Canadian market, the mid-priced big Dodge was marketed as the Polara 440 for 1965 and 1966. This inaccuracy is without question the "440" in Dart 440 is not the engine size, as the 440 cubic inch motor didn't arrive in cars until 1967. 440 however was a trim level. The 440 was available in 1969 in the GTS package however.
In 1968, Dodge contracted Hurst Performance to build a limited number of Darts powered by the 440 cu in (7.2 L) RB big-block and 426 cu in (7.0 L) Hemi-powered Darts to compete in the SS/B class as the LO23 "Hurst Hemi Dart".
1978–1979: 6DR5 2.5 L 6G73 - Used in the Chrysler Sebring, Dodge Avenger, Chrysler Cirrus, and Dodge Stratus; 3.0 L 6G72 - Used in the Plymouth Acclaim/Dodge Spirit and 1987–2000 Dodge Caravan/Plymouth Voyager, also Dodge Dynasty, Chrysler LeBaron, Chrysler TC, Chrysler New Yorker, Dodge Daytona, Dodge Stealth, Chrysler Sebring (Coupe), Dodge Stratus (Coupe), Dodge Shadow ES, and Plymouth ...
The big-block engines initially used a forged crankshaft with a stroke of 3.975" for the 1965-1967 425 and 400 CID versions; starting in 1968, both the 400 cu in (6.6 L) and the 455 cu in (7.5 L) big blocks used a stroke of 4.25 in (108 mm), with crankshaft material changed to cast iron except in a few rare cases.
Torque: 400 - 400–440 lb⋅ft (542–597 N⋅m) at 1600 rpm Compression ratio : 17.5:1 The 5.9 L Cummins, also known as the "12-Valve" Cummins was the first member of the Cummins B-Series to be used in a light truck vehicle.
Block watches, both domestically and internationally, have been prevalent since the 1980s, said David Kennedy, a professor of criminal justice at John Jay College of Criminal Justice in New York City.
Note there are unique bellhousing bolt patterns for the small block "A" and big block "B" engine versions of this transmission and for American Motors (AMC) and Jeep applications. 1962-1978 361, 383, 400 B-Motor V8; 1962-1978 413, 426 Wedge, 440 RB-V8; 1966-1971 426 "Street" Hemi; 1964-1971 426 Race Hemi (super stock, etc.) 1962-1966 318 "A ...