staylor725

I'm planning on running a drain back setup had one on my civic worked fine, I'am going to use a - 10 line from the bottom of my catch can with 45 and 30 an fitting to my timing cover. I know people say not to drain the oil back because it has fuel vapor in it, but when the oil is hot it should burn off some of the moisture and fuel anyway. The oil gets nasty in catch can because the oil in the catch can never gets hot enough to burn off the moisture or fuel vapor and smells bad. Just wanted to see if anyone has a drain back and how it's working out for them thanks.

thepoi

Do it, best way to manage blowby. I'm using a Mann ProVent--it vents to atmosphere instead of back to the intake, and drains back to the oil drain bolt:





The ProVent is a great solution because it has a relief valve to prevent excessive pressure, the condenser/filter arrangement minimizes any oil vapor getting puffed out, and (obviously) I never have to drain a catch can.

staylor725

Very nice I may just drain it back to the oil drain bolt that would be a lot less work thanks for the info and posting pics.

camuman

Link?

redboost10

This is how it's done on the B series engine. Two drain backs to two large fittings on the back of the block.

yamahaSHO

I have a Crawford Air/Oil Separator.

staylor725

That's how I had it on my civic ek hatch gsr turbo no problems at all, I don't want to worry that my catch is to full that's why I want to drain it back 1 less problem. I will post pic's after I'm done.

staylor725

Any pictures?

passmans2kny

i was considering doing this as i have a capped an fitting on my girdle from my first turbo build(current one timing cover) but was always worried about nasty oil going back in the motor

redboost10

depends on the fuel being used what the oil looks like. also depends on what clearances you are running.