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Stuart Hilborn (9 October 1917 – 16 December 2013), was born in Calgary, Canada. Hilborn was an automotive engineer. [1] He became interested in amateur racing on dry lake beds before World War II. After the war, he began experimenting with ideas for mechanical fuel injection, and tested them on his own race cars.
Fuel injection. A cutaway model of a petrol direct-injected engine. Fuel injection is the introduction of fuel in an internal combustion engine, most commonly automotive engines, by the means of an injector. This article focuses on fuel injection in reciprocating piston and Wankel rotary engines.
The transmission was a four-speed manual from a Corvette, and the rear axle came from a 1957 Plymouth with a steep 6.17:1 ratio (because of the car's high weight, 4,430 lb (2,010 kg)). [3] In 1961, Koffel changed the three deuces to Hilborn fuel injection. [3]
Lotus 34. ZF 2DS-20 2-speed manual gearbox. Lotus 34 at the Indianapolis Motor Speedway Museum in 2022. The Lotus 34 is an open-wheel race car built by Team Lotus for the 1964 Indianapolis 500. Driven by Jim Clark, who qualified on pole, and Dan Gurney, tyre failure led to Clark retiring and Gurney being withdrawn.
[29] [30] In its ultimate form the A311 engine used a gear-driven, high-lift long-duration camshaft, special pistons, roller tappets, dual valve springs, special pushrods, Hilborn fuel injection with tuned intake stacks, and a compression ratio of 12:1. Output was estimated to have been 300 hp (223.7 kW), high enough to flex the block and ...
Springing was by torsion bars. The engine was a small-block Chevrolet that had been bored and stroked to 5,572 cubic centimetres (340 cubic inches) and equipped with Hilborn injection. The 4-speed manual transmission was from a Corvette. The finished car weighed 816 kilograms (1,800 pounds). Miller's Devin-Chevy won its class at Pikes Peak that ...
An Offenhauser sprint "midget" racer. The Offenhauser engine, familiarly known as the "Offy", was an overhead cam monoblock 4-stroke internal combustion engine developed by Fred Offenhauser and Harry Arminius Miller. [4] Originally, it was sold as a marine engine. In 1930 a four-cylinder 151 cu in (2.47 L) Miller engine installed in a race car ...
With a compression ratio of 12.8:1 suitable for methanol fuel and the addition of a dry-sump and Hilborn fuel injection, maximum power output was estimated to have been 372 hp (277.4 kW) at 7200 rpm. [67] For the 1955 Indianapolis 500 businessman and racing team owner Howard Keck hired Travers and Coon to develop an all new streamlined Indy car ...