The Leyland Eight was a luxury car produced by Leyland Motors from 1920 to 1923. The car was designed by the chief engineer of Leyland Motors, J.G. Parry-Thomas, and his assistant Reid Railton. Automakers or automobile manufacturers are companies that design and manufacture automobiles. ... Leyland Motors is a British vehicle manufacturer of lorries and buses. ... It has been suggested that Vehicle size class be merged into this article or section. ... A grand tourer (Italian: Gran Turismo), sometimes initialised GT, is a high-performance automobile designed for long distance driving. ... It has been suggested that this article or section be merged into Internal combustion engine. ... Overhead cam (OHC) piston engines place the camshaft above the cylinder heads and drive the valves or lifters directly instead of using pushrods. ... 1933 Bugatti DOHC straight-8 in a Type 59 Grand Prix racer 1940s Oldsmobile Straight-8 engine A Straight-8 is a straight engine with eight cylinders. ... Image:Gearbox. ... It has been suggested that this article or section be merged into Automotive design. ... The 1924 Leyland-Thomas No. ... This article or section does not cite its references or sources. ... Leyland Motors is a British vehicle manufacturer of lorries and buses. ... The 1924 Leyland-Thomas No. ... Reid A Railton (1895 - 1977) was an automotive engineer, and designer of land and water speed record vehicles. ...