Crankcase Evacuation Proof!

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Uploaded by on Oct 26, 2007

This video was made to prove that the Crankcase evacuation system works with a complete mufflered exh system

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Autos & Vehicles

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  • @dagger58 CHECK jegs out they have Directions on how to...thats where im geting mine

  • I have pan evac on my Jersey Speed Skiff with wet exhaust, works perfect, /chrylser check valves and chrome breathers. Check it out Daze of Thunder js-70

  • yesss i think i may do this now!

    i can't find any good pics on what angle to weld the bung into the exhaust though..

  • @hawkeyedm2003

    Do you think the exhaust gasses are flowing faster at full throttle than at idle? If you would buy into this theory then you have your answer. I'm not sure if the relationship is linear but it could be close.

  • @XMtnDude It is sucking in...

  • why is it blowing out, surpose to be sucking in

  • I plan on installing one but have the same question...how is the vaccum affected at higher revs or at full throttle? The manufacturers aren't much help. 

  • g'day mate. i have just fitted this system to my general motors holden aussie v8. its 304cui and it has .5 inches of vacuum at idle and and 6 inches at 7400rpm on the dyno at work! they work awesome, and they are mounted in the collectors just in front of the racing mufflers

  • Nice video disproving a common misconception. I don't know why people think mufflers would stop a pan-evac from working completely. A siphon sand blaster has a restrictive nozzle on it's end (muffler) and just the flow of the air past the siphon hose (exhaust gasses) lifts the sand (pan evacuation) anyway. The high speed exhaust gasses creates a venturi effect and those exhaust gasses exist regardless of what exist past the collector.

  • Put a vacuum gauge on there and go drive it shifting at 7k or so and let us know how it works.

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