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It is arguably the best engine Olds made in the muscle car era, although it never made it into a "muscle car". It used a 4.126 in (104.8 mm) bore and 3.975 in (101.0 mm) stroke. Most 425s were painted red, though the 1966 and 1967 Toronado units were light blue. All 425 engines were fitted with forged steel crankshafts with harmonic balancers.
The Cosworth Vega engine was produced in 1975 and 1976 using the 2300 engine block. The engine was de-stroked to 3.16 inches (80 mm) giving 2.0 L; 121.7 cu in (1,994 cc), with a 16-valve aluminum cylinder head, double overhead cams , forged components and solid lifters. It produced 110 hp (82 kW) and 107 lb⋅ft (145 N⋅m).
According to the June 2019 issue of Muscle car Review magazine, during dyno testing performed during that era, the National Hot Rod Association (NHRA) rated this Pontiac W72 400 T/A 6.6 engine at 260 to 280 net horsepower instead of the 220-hp rating published by Pontiac. The 1979 W72/WS6 equipped Trans Am was considered to be one of the ...
This was the first in a series of NASCAR-ready pre- Super-Duty V8 engines and introduced the long line of multi-carburetor-equipped engines that saw Pontiac become a major player during the muscle car and pony car era of the 1960s. The enlarged 1956 Pontiac V8 found its way into light-duty GMC pickup trucks.
In 1966, General Motors designed a special 302 cu in (4.9 L) engine for the production Z/28 Camaro in order for it to meet the Sports Car Club of America Trans-Am Series road racing rules limiting engine displacement to 305 cu in (5.0 L) from 1967 to 1969. It was the product of placing the 283 cu in (4.6 L) 3 in (76.2 mm) stroke crankshaft into ...
A muscle car is an American-made two-door sports coupe with a powerful engine, generally designed for high-performance driving. [1] [2] In 1949, General Motors introduced its 88 with the company's 303-cubic-inch (5 L) OHV Rocket V8 engine, which was previously available only in its luxury Oldsmobile 98. This formula of putting a maker's largest ...
It is easy to confuse the 1957 Rambler V8 and the 1958-'60 Rebel line with the special 1957 Rambler Rebel, a limited edition muscle car (see 327 below). In 1961, The Rambler Six was renamed the "Rambler Classic" to avoid model confusion in the Rambler line-up. A V8 engine then became an option in the Classic instead of a separate model.
However, an even earlier attempt at a Rebel-based muscle car was produced by AMC's engineering team: a 1967 two-door built as a development "project" car for carburetion-testing purposes, as well as with "Group 19" high-performance options, and the car was re-equipped with a modified 390 cu in (6.4 L) engine with an estimated 500 hp (370 kW ...