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  1. #1

    Join Date
    Apr 2017
    New Jersey

    Engine Breather Kit vs recirculating back into intake

    Pros and cons of recirculating the ventilation system back into the intake vs letting them vent out into the open atmosphere? Some say itís a good lubrication system for the supercharger, but others say it has a better chance of adding gasoline to your oil, thoughts?

  2. #2
    Oil into the intake tract is not a good thing, oil in the combustion chamber will increase the chances of pre ignition(detonation).

  3. #3

    Join Date
    Aug 2006
    Oil mist passing thru the supercharger means it is also passing thru the innercooler. An oil coating on all the heat transfer surfaces reduces the efficiency of heat transfer. It also will eventually build up on the intake valves. You do not want oil mist going into the intake period.

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