wierd valve cover vent tube question
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wierd valve cover vent tube question
I changed over to a ported ls6 manifold and ported bbk 80mm T/B. I had a loud squeal coming from inside the motor after install. I found that as soon as I unplug this vent tube(the one going from the valve cover to the T/B) from the T/B the squeal stops. Also noticed that the tube has suction and the tube on the TB has suction, so they are fighting each other. After about5 second of being unpluged the suction on the tube going to the valve cover dies off. Any ideas??
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Originally Posted by SUX2BU
the tube coming out of the throttle body should not have vacum (suction). only the one coming out of the intake should have vacum.
kpowr82: No the one on the T/B not the manifold. but still on the same side. But not the coolant one either.