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While the 302 became a strong Limited Sportsman oval track racing engine in the hands of racers like Bud Lunsford in his 1966 Chevy II, its bore/stroke and rod/stroke geometries made it a natural high-rpm road-racing engine and were responsible for its being among the more reliable production street engines homologated for full competition ...
Ed Donovan (1928–1989), commonly called "The Mole" (or "Pachy"), [1] was an American racing engine and parts builder. Donovan developed the first all-aluminum-block hemi designed specifically for Top Fuel drag racing. [2] He was posthumously inducted into the Motorsports Hall of Fame of America in 2003. [3]
Black's aluminum engine blocks would dominate the market by the end of the decade. The engines Keith Black produced were based on the Chrysler 426 Hemi, Chevy Big Block, and Oldsmobile Big Block designs, but cut from virgin aluminum castings and built to the customer's specifications. Keith Black died from complications due to brain cancer in 1991.
Cast from aluminium rather than iron, the engine weighed under 200 lb (91 kg) bare, [2] compared to 740 lb (340 kg) for the Chrysler. [3] Because it closely followed the Chrysler's specification, many hot rodding parts would fit it; only the bore was different, being 1 ⁄ 8 in (3.2 mm) larger, [ 2 ] at 4.125 in (104.8 mm) (same as the 400 cu ...
Jenkins went winless in 1971. NHRA changed the 1972 rules to allow drivers with a small block wedge engine to run a lighter car. Jenkins used a small block-based 331 cu in (5.4 L) in a Chevrolet Vega fitted in the class' first tube chassis, [2] which debuted at the 1972 Winternationals. He had a subpar 9.90 second pass in the untested Vega ...
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 ...