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Which Oil Vent Hose

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Old 06-05-12, 05:17 PM
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MO Which Oil Vent Hose

I removed the rats nest but it never tells you which hose to remove from the oil filler neck. Is it the top one or bottom one?
Old 06-06-12, 02:08 AM
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Neither nipple should be obstructed. You need proper "crankcase ventilation".

Originally Posted by Aaron Cake
Plumb the upper nipple on the oil filler through the purge/PCV valve to a vacuum port on the intake.

Connect the lower nipple on the middle iron to a line running to the catch can. If you have as standalone, just stick a filter on the catch can and be done with it. Stock ECU, you'll need to run the vent line for the catch can to after the AFM on the TID/intake tube.
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