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A timing mark is an indicator used for setting the timing of the ignition system of an engine, typically found on the crankshaft pulley (as pictured) or the flywheel. [1] These have the largest radius rotating at crankshaft speed and therefore are the place where marks at one degree intervals will be farthest apart.
It was introduced in two piston displacement sizes in 1960: The 170 cu in (2.8 L) "LG" (low-G, referring to the relatively short engine block casting and crankshaft stroke) in the Valiant, and the 225 cu in (3.7 L) "RG" (raised-G, referring to the relatively tall engine block casting and crankshaft stroke) in full-size Plymouth and Dodge Dart ...
Crankshaft (red), pistons (gray), cylinders (blue) and flywheel (black) A crankshaft is a mechanical component used in a piston engine to convert the reciprocating motion into rotational motion. The crankshaft is a rotating shaft containing one or more crankpins, [1] that are driven by the pistons via the connecting rods. [2]
Pressure in cylinder pattern in dependence on ignition timing: (a) - misfire, (b) too soon, (c) optimal, (d) too late. In a spark ignition internal combustion engine, ignition timing is the timing, relative to the current piston position and crankshaft angle, of the release of a spark in the combustion chamber near the end of the compression stroke.
A V engine, sometimes called a Vee engine, is a common configuration for internal combustion engines.It consists of two cylinder banks—usually with the same number of cylinders in each bank—connected to a common crankshaft.
The crankshaft development for the Ford flathead V8 was pioneering. The engine's production development program began with a forged steel crank, per conventional practice, but Ford then developed the improved foundry practice, heat-treating , and materials handling logistics to make the cranks from cast steel instead, yielding a crank just as ...
The lower half of the main bearings are typically held in place by 'bearing caps' which are secured to the engine block using bolts. The basic arrangement is for each bearing cap to have two bolts, but some engines may have four or six bolts per bearing cap (often referred to as "four-bolt mains" or "six-bolt mains" engines).
The block was taller than that of the 3.5-liter 6G74. The pistons were high-pressure castings, joined to forged steel connecting rods and a heat-treated, forged steel crankshaft. [5] Intended to be used with 95 RON fuel, lower octane fuels would be detected by the vehicle's knock sensors, and the engine detuned to compensate.