Quote:
Originally Posted by iceminion
That "Krank vent" is just an upgraded PCV valve. It does not deal with added pressure in the crank case, just look at the picture! and its $110 plus shipping!
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The KV's create a vacuum in the crankcase (even at idle). Does the air "woosh" into the crankcase when you pop your dipstick? It does with the KV's. The KV's are one-way valves similar to a PCV, but unlike factory PCV's they do not leak boost into the crankcase. You put one between the intake manifold and the factory PCV and one on the valve cover breather allowing air to only escape but never enter. Doing this increases engine efficiency by reducing drag on the crank/pistons (more power, better MPG) and also helps the piston rings seal better reducing oil consumption. These will also fix symptoms such as leaking gaskets and dipstick pop-out similar to your pump.