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The L-head was on the Ward's 10 Best Engines of the 20th century list. L-head applications: Cadillac Type 51; Cadillac Type 53; Cadillac Type 55; Cadillac Type 57; Cadillac Type 59; Cadillac Type 61; Cadillac V-63; Cadillac Series 341; Oldsmobile Light Eight; Cadillac created a new V8, the 341, for 1928. It was a 341 cu in (5.6 L) engine and ...
A crossflow head gives better performance than a Reverse-flow cylinder head (though not as good as a uniflow), but the popular explanation put forward for this — that the gases do not have to change direction and hence are moved into and out of the cylinder more efficiently — is a simplification since there is no continuous flow because of valve opening and closing.
In addition to the longer stroke, it used higher-flow cylinder heads utilizing narrower 7 mm (0.28 in) valve stems. Crankshaft counterbalance weights were increased in count from 4 to 8. Output was 119 hp (89 kW) and 202 N⋅m (149 lb⋅ft).
The Holden straight-six motor is a series of straight-six engines that were produced by General Motors Holden at their Port Melbourne plant between 1948 and 1986. The initial Grey motor was so dubbed because of the colour of the cylinder block, later motors came in the form of a Red, Blue, Black, and the four-cylinder Starfire engine.
A 1967 redesign gave it a cross-flow type cylinder head, hence the Kent's alternative name Ford Crossflow. It went on to power the smaller-engined versions of the Ford Cortina and Ford Capri, the first and second editions of the European Escort as well as the North American Ford Pinto (1971, 1972 and 1973 only).
The cylinder head was also redesigned to keep the compression ratio at 8.8:1 even with the flat top pistons and now featured provisions for an air injection reaction system. This engine was used from 1995 to 2002. [2] Some 1992 through 1998 L24 cylinder heads developed cracks in the fifth camshaft journal, located closest to #4 cylinder.
The main advantage of the reverse-flow cylinder head is that both the entering inlet charge and the exiting exhaust gas cause a tendency to swirl in the same direction in the combustion chamber. [1] In a crossflow head the inlet and exhaust gases promote swirl in opposite directions so that during overlap the swirl changes directions.
Today the flat-head Ford is mainly used in "retro" hot-rod builds by builders more interested in an historic feel and recreating history than performance. Even four-cylinder Ford engines are used to make a retro hot-rod "correct". Ford flathead V-8 with an aftermarket twin plug cylinder head & Stromberg carburettors