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TPI Tuned Port Injection discussion and questions. LB9 and L98 tech, porting, tuning, and bolt-on aftermarket products.

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Old 10-26-2002, 09:13 PM   #1
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what is a ccv

I am missing it what ever it is along with the tube that goes from it to the tb the hole it is suppose to be in is in the back of the passenger side valve cover

Last edited by c4boom; 10-26-2002 at 09:22 PM.
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Old 10-26-2002, 09:48 PM   #2
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It is called a PCV is a positve crankvase ventilation. It draws the fumes from the crankcase and blows it back into the throttle body. This is a emissions related item.
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Old 10-26-2002, 10:35 PM   #3
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No that’s on the drivers side and hooks into the whole below the one that I mentioned in the TB
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Old 10-27-2002, 12:33 AM   #4
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CCV means crankcase vent. Two of the holes in the throttle body are for water passage. The third has a hose with a metel tube connector simalar in appearance to a PCV valve that plugs into the passenger side valve cover to allow filtered air to be sucked into 1 valve cover thru the engine and out thru the PCV valve.
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Old 10-27-2002, 01:50 AM   #5
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whoops, its been a while, i had two breathers on my valve covers
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Old 10-27-2002, 01:50 AM
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