Venturi vacuum pump

[sleepydsm]

Iceminion, can you explain to me how this setup actually works? You're taking two pressurized sources (when at WOT), the crankcase and the intake manifold (a1 on TB), and then hooking them to a vaccum source. Why can't you just run the vent line right to the vaccum source (like stock)? I don't see how the two pressure sources merging together make evacuation any better.

[Andrew7dg]

Originally Posted by sleepydsm

Iceminion, can you explain to me how this setup actually works? You're taking two pressurized sources (when at WOT), the crankcase and the intake manifold (a1 on TB), and then hooking them to a vaccum source. Why can't you just run the vent line right to the vaccum source (like stock)? I don't see how the two pressure sources merging together make evacuation any better.

http://en.wikipedia.org/wiki/Venturi_effect

Just to post this again.

It is a great explanation on how the system works.

What I question is the dementions and mathamatics of Iceminion calculations

If you catch the last part of the wiki page on this, you can mix air and water pretty easy. A little modification and you could have yourself a cheap water/methonal/windshield washer fluid injection.


ain't science wonderful?