Upgrading PCV FI Applications
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I've blocked the PCV off and just run the other breather to a catch can with a small restrictor in it (washer plate with a 2mm hole in it), so the oil can drain back down when the engine is off. Although, I'm hoping the dry sump will make enough vacuum that I don't need another pipe to there.
I've purchased a custom larger version of this dual Saikou Michi unit:
http://www.motoiq.com/MagazineArticl...l-Control.aspx
I was going to pipe it a similar way to as in the article but now I'm thinking otherwise as you guys have a different opinion.
If you read the article it states that connecting both front and rear ports to the CC (one to each can as it's a dual can) then one line to the intake tube is a bad idea as the rear pcv port's vac will be reduced on part throttle, hence the dual setup.
Is the increase vac on part throttle that important? Or would you still recommend removing the PCV, running both ports to the catch can and then two line to the intake pipe pre supercharger
I was thinking about this and I would imagine as the supercharger is spinning all the time (venting through the BOV at part throttle) the vac at the intake tube would be higher than an NA car, so it may not be an issue anyway?
http://www.motoiq.com/MagazineArticl...l-Control.aspx
I was going to pipe it a similar way to as in the article but now I'm thinking otherwise as you guys have a different opinion.
If you read the article it states that connecting both front and rear ports to the CC (one to each can as it's a dual can) then one line to the intake tube is a bad idea as the rear pcv port's vac will be reduced on part throttle, hence the dual setup.
Is the increase vac on part throttle that important? Or would you still recommend removing the PCV, running both ports to the catch can and then two line to the intake pipe pre supercharger
I was thinking about this and I would imagine as the supercharger is spinning all the time (venting through the BOV at part throttle) the vac at the intake tube would be higher than an NA car, so it may not be an issue anyway?
Interested to see what people suggest, I have the above can plumbed in as per the article with my charger setup, perhaps I have something incorrect though? I don't really understand the exact plumbing required when FI
I had seen one guy had this can and had the can for the front breather not circulating back, but had the company custom make one with a filter on that tank if that makes sense.
I had seen one guy had this can and had the can for the front breather not circulating back, but had the company custom make one with a filter on that tank if that makes sense.








