Sunday, November 20, 2011

Inlet valve compostion for Exhaust Gas Recirculation? will there be any impact on valves if EGR is used?

Presumably from your 'broken English' Q', you want to know if the gases that are transferred from the crank case back in the inlet tract can damage the valves. No think of the logic for a second, the gases emanate from the oils / fluids already present in the engine which see the valve surface anyway. Also the charge temperature is far lower than the compression temp and as the valve surface is the same all over no issues.

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