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The engine was available through mid-1965, when it was replaced by the 396 cu in (6.5 L) 375 hp (280 kW) Mark IV big-block engine. In addition, a 340 hp (254 kW) version of the 409 engine was available from 1963 to 1965, with a single 4-barrel cast iron intake mounting a Rochester 4GC square-bore carburetor, and a hydraulic-lifter camshaft.
The Super DIRTcar Series Big Block Modifieds is a North American big block modified touring series currently promoted by World Racing Group. The series primarily races on dirt ovals in the Northeastern United States and Canada along with select dates in Florida and North Carolina .
The L72 was a 427 cu in (7.0 L) 90° overhead valve V8 big-block engine produced by Chevrolet between 1966 and 1969. Initially rated at 450 horsepower, the rating dropped to 425 hp (317 kW) shortly after its release (although there was no change in power).
Following testing and input from drivers such as David Pearson, Bobby Isaac, and Bobby Allison, NASCAR mandated the use of a restrictor plate for the big-block seven-liter engines. Small-block engines, in the 358 cubic inch range, were exempt from the plates; the first car to race with a small-block engine was Dick Brooks at the 1971 Daytona ...
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 ...
The M8A was an evolution of the previous M6A design, and featured an all-aluminium seven-litre Chevrolet big-block V8 as a semi-stressed chassis member. [4] The engines were built by Gary Knutson and initially developed 590 bhp. Two complete M8A race cars and one spare tub were built. [5]
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Most of these engines were very similar, using the same bore centers and a 9.33 in (237 mm) deck height, raised on "big-block" versions to 10.625 in (269.9 mm). Big-block and Diesel versions also increased the 2.5 in (64 mm) main bearing journal to 3.0 in (76 mm) for increased strength. All generation-2 small-block Olds V8s used the same stroke ...