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They used the expertise they had gained to start building production engines and cars which were renowned for their performance and luxury. Among the novel design features (for a pre-1940 production engine) seen on various Duesenberg engines are single- and double-overhead camshafts, three- and four-valve heads, superchargers and aluminum castings.
The McCulloch MAC-101, also called the MC-101 and MC101, is a two-stroke, single cylinder engine that was designed and produced by McCulloch Motors Corporation for kart racing use, being introduced in 1967. It was also used in the late 1970s and early 1980s as an ultralight aircraft engine. [1] [2] [3] [4]
The engine had one further advantage over bespoke racing engines: parts were cheap. For example, the engine blocks were available for £11 each and the connecting rods cost £7 each. [16] The 740 series unit used in the three races for which the car was entered in 1967 has a different, lighter, Repco-designed engine block.
A long block engine replacement typically requires swapping out parts from the original engine to the long block. These parts can include the oil pan , timing cover , valve covers , intake manifold , emission-control parts, carburetor or fuel injection system, the exhaust manifold(s) , alternator , starter , power steering pump (if any), and ...
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 ...
The "Offy" engine was derived from this Miller marine engine 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.
The Puch Maxi is a moped fitted with a single cylinder, 50cc, two stroke engine. The engine produced around 2 hp and could propel the rider at speeds of 28 mph (48 km/h). It was started using the pedals which could be engaged and disengaged from the engine via a starting lever so it could be ridden as a normal bicycle.
Racing engines often fail at high rotational speeds because mechanical springs are unable to retract the valves quickly enough to provide clearance for the piston. Renault's pneumatic valve technology replaced steel springs with light weight compressed air bellows. These could retract valves more quickly and reduce the possibility of piston ...