crankcase pressure
06-14-2006, 10:28 PM
#21
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check this make sure that the pcv valve is not pushing boost pressure into the crankcase it may not be sealing...........like if it were to have a backfire it is supposed to seal up....the charger my be pushing boost into the crankcase through the PCV
06-20-2006, 02:56 PM
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With a supercharger running alot of boost, would completely taking out the pcv system and running breathers be enough to decrease crankcase pressure to where the dipstick doesn't pop out? What else would I have to do.
06-20-2006, 04:01 PM
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try it and see i dont think the pcv is doing anything anyway becuase it works off vacumm and with positive pressure in the intake i doubt its doing its job......try thr breathers and see what happens you could run draft tubes to the headers to pull out the pressure
06-20-2006, 04:09 PM
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Off topic sort of, and I'm sure predator will def. know this, the pcv valve on the driv. side of the intake, which way is it suppose to let air in and keep it out? It looks like it is turned to where when air tries to come in, it closes, and it's opening to air coming out of the intake. Is that right? I thought it was trying to open to bring air in to the intake right there.
06-20-2006, 04:10 PM
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Reason I ask is, I have the same check valve on the pass. side rear opening as I do on the driv. side of the intake, but they are going in opposite directions. Make sense?
06-20-2006, 04:11 PM
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no it should be pulling air out and putting it into the a/f mixture (driver side) the one on the passenger side which is the clean air side lets filtered/meatered air into the crankcase
06-20-2006, 04:15 PM
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Ok, here is how I want to set it up. I have a check valve on the front pass. valve cover into 3/8" hose running to the tube after maf/before supercharger. I have a 3/8 hose from a pcv check valve to a 3/8" hose t'd into the same place as the pass. side front valve cover. Then I have a check valve on pass. side rear hole to 3/8" hose running into brake booster hose. Will this work?
06-20-2006, 04:19 PM
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front pass. valve cover-->check valve-->after breather/before supercharger
pcv-->after breather/before supercharger
rear pass. valve cover-->check valve-->break booster hose
Or should I cap the front pass. valve cover and run driv. side valve cover to brake booster?
pcv-->after breather/before supercharger
rear pass. valve cover-->check valve-->break booster hose
Or should I cap the front pass. valve cover and run driv. side valve cover to brake booster?
