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Old 02-21-2008, 08:29 PM
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ccv mod

My turbo is being rebuilt and i was told it was due to to much crank case pressure. I have read all the ccv mods I could find and I am wondering if adding a vent to the passenger side valve cover also would help any?
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Old 02-21-2008, 09:47 PM
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BS. Who said your journal bearing turbo dying was due to crank case pressure? How can too much crank case pressure kill a turbo?



Some have vented both sides, most only use the stock vent location on the driver side.
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Old 02-22-2008, 12:41 AM
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Yep, I gotta agree, gotta call BS on that one.

I think the standard CCV mod works just fine and is nearly free and easy to do.



By the way, year, make model, mods, etc??

Last edited by alabamafrog; 02-22-2008 at 02:30 AM.
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Old 02-22-2008, 02:21 AM
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like they said someones screwin ya
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Old 02-22-2008, 10:47 AM
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What they said was that it looked to them that the oil was not draining back into the engine from the turbo completely due to crankcase pressure and blowing past the seals in the turbo. I have no history on the truck I bought it rolled for 2k and have another 3k into fixing it so I don't mind having the turbo gone thru just to be sure. The shop the turbo is at came recomended and all they due is rebuild turbos for trucks.
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Old 02-22-2008, 11:18 AM
Ole White

 

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THats BS but the CCV mod from NCHORNET is a great mod to do keeps all that oil out of the intercooler tubes
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Old 02-22-2008, 11:26 AM
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That’s still sounds like BS to me, but if they do a good job building it and are reasonably priced then who cares.

The standard CCV mod should do just fine.

Engine oil pressure should be around 30-75 psi and should not enter the air or exhaust side of the turbo. Engine crankcase pressure couldn’t be more than a few psi and should not effect anything. Now without a CCV mod crankcase gasses and oil residue will get all in the turbo but it shouldn’t hurt it, much. Looks to me like if the blowby is bad enough to stop the oil up in the turbo (if that were even possible) then the engine is shot anyway.
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Old 02-22-2008, 01:00 PM
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LOL... Got to love some peoples statements... Too much CC pressure...
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Old 02-22-2008, 01:13 PM
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ok, i got a question for you two( frog and CSIPSD) I did the CCV mod, and I notice there is a lot of dirty air comming from the hose I ran to the back of the truck. Is this normal when you do that mod? Or should I not be able to see the gasses comming out?

I know I know, HIJACK!
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Old 02-22-2008, 01:22 PM
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Yep, that is why we do the mod, to keep that stuff out of the intake and innercooler and turbo. It is blowby and how much has a lot to do with the condition of your motor, my old motor chugged out a pretty thick fog, my new motor just puffs a slight haze.
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