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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 ...
Ford flathead V8s were notorious for cracking blocks if their barely adequate cooling systems were overtaxed (such as in trucking or racing). The simple design left much room for improvement, and the power available after even low cost modifications was usually substantially more than could be obtained from an overhead-valve inline six-cylinder ...
The 351W had larger main bearing caps, thicker and longer connecting rods, and a distinct firing order (1-3-7-2-6-5-4-8 versus the usual 1-5-4-2-6-3-7-8, a means to move the unacceptable "noise" of the consecutively-firing adjacent front cylinders to the sturdier rear part of the engine block all while reducing excessive main bearing load ...
The result of the 351M using the longer 400 connecting rod was a higher connecting rod-to-stroke ratio of 1.88:1 than the 351C and 400's of 1.65:1. [1] Other than pistons and crankshaft the 351M shared all of its major components with the 400, and it also used the large 385 Series style bellhousing.
Ford developed a supercharged version of the 3.8 L Essex V6 that was used in two Ford MN12 platform cars beginning in the late 1980s. A belt driven Eaton M90 roots-type supercharger spinning at 2.6 times engine rpm, to a maximum of 15,000 rpm at the engine's 6000 rpm redline, provided up to 12 psi (0.83 bar) of boost. [ 7 ]
Over time, the coolant side of oil cooler would plug up with sediment. This would reduce the flow of coolant through the oil cooler and cause higher oil temperatures. This sediment would also reduce the flow of coolant through the EGR cooler resulting in premature failure due to thermal expansion fatiguing the heat exchanging core.
All Barra I6 engines are DOHC with Variable valve timing and contain 24 valves. [2] They are a development of the SOHC "Intech" I6s produced between 1998 and 2002, or the SOHC produced from 1988 to 1998, which in turn are a development of the 3.3 and 4.1 L push-rod flat-tappet I6, developed in Australia as an "Alloy Head" Crossflow in 1980, eventually in both carburetted and injected versions ...
A cylinder head of a four valve Nissan VQ engine engine. A multi-valve or multivalve engine is one where each cylinder has more than two valves (an intake, and an exhaust).A multi-valve engine has better breathing, and with more smaller valves (having less mass in motion) may be able to operate at higher revolutions per minute (RPM) than a two-valve engine, delivering more power.