Re: CCV Straight Blow down or Catch Can?
Originally Posted by guzzle View Post
There have been a few people test the theory of the nipple cut at a 45 and welded into the exhaust, that supposedly creates a 'venturi' action and pull the CCV gases into the exhaust.
By using sensitive water manometer gauges connected to the crankcase via the oil fill tube, all seems well at an idle in the driveway. Once you get on the highway and put a load on the engine with some RPMs, the crankcase pressures begin to increase indicating that the exhaust is actually pressurizing the crankcase, no venturi action whatsoever.
Excessive crankcase pressures can blow seals, and at the very least, cause them to leak until the pressures are eliminated.
So has anyone been successful routing into the exhaust?
06 F 350
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