LT1-LT4 Modifications 1993-97 Gen II Small Block V8

breathers what do they do

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Old 05-04-2008, 12:25 AM
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Originally Posted by rkinney
I have a 93 and it is not an issue. Mass air cars will see a change in fuel trims.
All hail speed density!!
Old 05-04-2008, 07:36 PM
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The main reason for the PCV system is to draw out the corrosive gasses that accumulate at the top of the engine. Breathers are just a short term solution to preventing the dipstick from popping out. If not set up correctly you will also see oil everywhere because of the pressure build-up and pushing oil out through the gaskets.
Old 06-05-2008, 02:23 PM
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For High Compression And Cams You Will Have Oil Shooting Out Of The Oil Dip Stick And Going Into The Manifold, I Run Both Breather And Pvc System. I Was Getting A Lot Of Oil Out Of The Dip Stick Tube. Problem Solved Streetshark
Old 06-05-2008, 02:26 PM
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dam this was awhile back. I got a set of tall valve cover with breathers on both side's so surely thats enough ventialation. As of wright now it's still running the pcv system cause ineed to find longer valve cover bolt's for my them to fit
Old 06-05-2008, 07:43 PM
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im running a breather in the passenher side VC in the back and the PCV on the drivers side. dont know if thats causing my oil leaking more than usual.



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