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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 ...
The head used during this time was the so-called "rectangle port", named after its exhaust port shape. The 290 heads use smaller valves, 1.787 in (45.4 mm) intake and 1.406 in (35.7 mm) exhaust, corresponding with its small bore. The 343 and the AMX 390 use the same larger valve heads, 2.025 in (51.4 mm) intake and 1.625 in (41.3 mm) exhaust.
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.
Originally developed in 1959 for the Ford Anglia, it is an in-line four-cylinder overhead valve (OHV) pushrod engine with a cast-iron cylinder head and block. The Kent family can be divided into three basic sub-families; the original pre-Crossflow Kent, the Crossflow (the most prolific of all versions of the Kent), and the transverse mounted ...
[1]: 1 They began by analyzing other four-cylinder engines in production at General Motors at the time, and they found that GM do Brasil's 151 cu in (2.5 L) version of the Chevrolet 153 cu in four-cylinder—with a shorter 3-inch (76 mm) stroke and longer 6-inch (150 mm) connecting rods—had significantly reduced secondary vibration as ...
The Z18 debuted in 1977, making it the first model of the Z-type engine to be released. Displacing 1,770 cc (1.8 L) with a bore and stroke of 85 mm × 78 mm (3.35 in × 3.07 in), it is essentially an older L18 type series four-cylinder with a new cross-flow cylinder head and (typically) twin spark plugs.
The 5.8 is formally known as the Trinity Engine or 5.8-liter V8 engine, which benefits from cylinder heads with improved coolant flow, Ford GT camshafts, piston-cooling oil jets similar to those found on the 5.0 Coyote, new 5-layer MLS head gaskets, an over-rev function that increases the red line to 7000 rpm for up to 8 seconds (from 6250 rpm ...
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).