The removal of the evap system??? | FerrariChat

The removal of the evap system???

Discussion in '308/328' started by qedqeq, Aug 6, 2016.

This site may earn a commission from merchant affiliate links, including eBay, Amazon, Skimlinks, and others.

  1. qedqeq

    qedqeq Formula Junior

    Apr 15, 2015
    384
    Hi all,

    What would happen if I removed the anti-evaporative system off my 87 328GTB and plugged the nipples in the tanks and the plenum?

    Regards
     
  2. Crowndog

    Crowndog F1 Veteran

    Jul 16, 2011
    7,042
    Fairfield,Pa
    Full Name:
    Robert
    Might cause pressure build up in the tanks?


    Sent from my iPhone using Tapatalk
     
  3. qedqeq

    qedqeq Formula Junior

    Apr 15, 2015
    384
    I should add a vent line to one of the fuel tanks then.

    Replicate a euro setup.

    Regards
     
  4. 360modena2003

    360modena2003 Formula 3

    Jul 11, 2009
    2,438
    .

    Sent from my EVA-L19 using Tapatalk
     
  5. qedqeq

    qedqeq Formula Junior

    Apr 15, 2015
    384
    Update:

    Well I disconnected the rest of the evap system, a couple of items were already missing from the system.

    I sealed with caps the 3 Right hand tank nipples, and created a vent tube to the bottom of the chassis with the left hand tank nipple.

    Should I just seal the nipple of the plenum? or can I use that for something else?

    Regards
     
  6. Crowndog

    Crowndog F1 Veteran

    Jul 16, 2011
    7,042
    Fairfield,Pa
    Full Name:
    Robert

    Needs to be capped off or you have a vacuum leak and therefore unmetered air intake.



    Sent from my iPhone using Tapatalk
     
  7. GordonC

    GordonC F1 Rookie
    Owner Rossa Subscribed

    Aug 28, 2005
    4,163
    Calgary, AB, Canada
    Full Name:
    Gordon
    I think you need a vent tube from the top of the right hand tank also, tee it into the vent tube on the left side tank. Otherwise you will get pressure buildup in the right hand tank.

    Hmm, thinking about it more - with no vent on the right tank, you won't ever get it full of fuel when refueling - the level in the right tank would rise until there was pressure in the sealed tank that would prevent more fuel entering, as the trapped air/vapor volume on the right tank can't go anywhere to be displaced by fuel!

    I am certain that the Euro setup has the right side tank vented with the left. I can check my 84 this evening, maybe with a photo or two.
     
  8. qedqeq

    qedqeq Formula Junior

    Apr 15, 2015
    384
    Thank you for your input, if you don't mind checking that would be great! That is the system that I am emulating for the tank venting.


    Will do!

    Many thanks guys,,,
     

Share This Page