Sentences with phrase «camshaft lobe»

The high - profile camshaft lobe which normally contacts the secondary exhaust rocker arm alone during low - RPM engine operation is able to move both exhaust rocker arms together which are locked as a unit.

When cruising along or idling at a stoplight, the system engages a set of camshaft lobes and can keep the valves open a bit longer to reduce pumping losses and help economy.

Their analysis was that it was a mechanical engine problem, like piston rings, flat camshaft lobe, or value issue.

At 5500 - 7000 RPM, the second VTEC solenoid engages (both solenoids now engaged) so that both intake valves are using a middle, third camshaft lobe.

The primary exhaust rocker arm contacts a low - profile camshaft lobe during low - RPM engine operation.

The same occurs for the intake rocker shaft, except that the high - profile camshaft lobe operates the primary rocker arm.

This sliding pin connects the intake rocker arm followers together so that, now, both intake valves are following the «normal» camshaft lobe instead of just one of them.

How high the valves lift is also moderated by the engine computer, activating a solenoid to engage higher lift camshaft lobes inside the engine to achieve maximum performance and efficiency.

In this design camshaft lobes directly contact lifter or valve lash adjuster surfaces to open the valves at the appropriate time.

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Overall, the car is 36.3 kilograms lighter than the previous generation, with 12 kg of that mass saving resulting from lightening numerous engine parts, such as hollow camshaft lobes and a lighter exhaust manifold.

Rather than rigid rockers, the MultiAir system connects the camshaft lobe to the intake valve with hydraulic fluid.

At 3000 - 5400 RPM, depending on load, one of the VTEC solenoids engages, which causes the second valve to lock onto the first valve's camshaft lobe.

Thanks to innovations like friction reduction trough Diamond - Like Coating for tappets and camshaft lobes, the 4.7 - liter V8 engine delivers 454 horsepower and a peak torque of 384 lb / ft.

When the engine is placed under greater load, a switch to the camshaft lobe that opens the valve for a longer period is made and the driver can make use of the full power and torque of the engine.

On the intake side, there is an additional element between the camshaft lobe and rocker arm, called an intermediate follower.