Quote:
Originally Posted by slider2828
well how would you run it? Instead of a stupid smug comment....
Nothing really would work at idle, unless like said belt driven vac pump, which would basically be the best thing.
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Quote:
Originally Posted by s14db
exhaust breathers only work at idle.
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tell him not me...
... But to be honest my chevy did pull a vacuum from the exhaust at idle. it really did. It just got better with RPM and LOAD.
Exhaust gas scavenging is a well known phenomenon. Anyone want a good read look up David Vizard. You can get more suction from the exhaust system during overlap than you can from the descending piston. This is also the reason why you dont want a large exhaust on a naturally aspirated engine, why it kills low end torque.