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For the 2011 model year, the 6.2 L V8 was introduced in the Ford F-250 and F-350 Super Duty as a replacement for both the 5.4 L Triton V8 and the 6.8 L Triton V10, and in the F-150 as the premium engine option, though it was not available in all configurations. [2]
Through rod air cylinders: piston rod extends through both sides of the cylinder, allowing for equal forces and speeds on either side. Cushion end air cylinders: cylinders with regulated air exhaust to avoid impacts between the piston rod and the cylinder end cover. Rotary air cylinders: actuators that use air to impart a rotary motion.
It was replaced by the 4.2 L Essex V6 for 1997 in the redesigned F-150, as well as the E-150 and E-250. The 300 was mated to the Ford C6, E4OD, and AOD automatic transmissions, and the Mazda M5OD, ZF S5-42 and S5-47, 5-speed manual transmissions, and the Borg-Warner T18, Tremec RTS, and New Process NP435 4-speed manual transmissions.
For twin-cam or DOHC engines, VCT was used on either the intake or exhaust camshaft. (Engines that have VCT on both camshafts are now designated as Ti-VCT.↓) The use of variable camshaft timing on the exhaust camshaft is for improved emissions, and vehicles with VCT on the exhaust camshaft do not require exhaust gas recirculation (EGR) as retarding the exhaust cam timing achieves the same ...
A camless or free-valve piston engine is an engine that has poppet valves operated by means of electromagnetic, hydraulic, or pneumatic [1] actuators instead of conventional cams. Actuators can be used to both open and close valves, or to open valves closed by springs or other means.
Piston actuators use a piston which moves along the length of a cylinder. The piston rod conveys the force on the piston to the valve stem. Piston actuators allow higher pressures, longer travel ranges, and higher thrust forces than diaphragm actuators. A spring is used to provide defined behavior in the case of loss of power.
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