Pressure valve on inlet manifold

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roga
Isuzu Junior

Posts: 58

Pressure valve on inlet manifold May 21, 2007 17:31:30 GMT 11

Post by roga on May 21, 2007 17:31:30 GMT 11

Can anyone tell me what pressure the valve on the inlet manifold works at ??
Can you blank it off or is it best left alone?
Why I ask is that it looks like it vents into the crankcase breather setup. Whats with that ?? wont it pressurize the crankcase?
Second is that I cannot get my 2.8 Mu to go above 12lb boost is this valve the culprit

Thanks in advance
Roger

He who dies with the most toys wins.

geeves
Administrator

Most Posts & Most Helpful AWARD

Posts: 4,833

Pressure valve on inlet manifold May 21, 2007 18:02:30 GMT 11

Post by geeves on May 21, 2007 18:02:30 GMT 11

Valve might be faulty but it should work about 16psi. Ive looked at this setup as well and wondered if its kosher. You would have to be overboosting a lot though to cause a problem but if worried you could run 2 pipes and make a new connection to your inlet somewhere.