finally got the new setup going along with the GT28R and i noticed smoke when i went into boost to about 8psi? even when crusing i got a touch of smoke...went home and noticed a oil drip turbo was not wet or leaking from any side so i looked under the car and noticed a kink/tear in the oil return hose. I am assuming oil wasnt exiting the turbo fast enough and was backing up in the turbo, causing the smoke...question is could that cause any damage on a brand new turbo? Only took it down the street and back...no other driving. Im using a Gti-R T28 oil drain flange which doesnt seem to line up directly with the barbed tap in the block...any suggestions to getting around this? What hose to use? Bend the fitting? Possibly cut the fitting shorter? Sorry for the chep camera phone pics
Thanks
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I had to cut mine shorter and use a piece of hose and an elbow to connect them both.

cheap way will be to connect the two with a piece of hose and some clamps..

i don't think it would damage your turbo. just replace the hose and get back on the road.

just trim the drain flange and you will be fine. As long as the hose is not pinched off all the way it will drain.

just trimmed it....going for a test drive

same thing but no oil drip...after i go into boost i get smoke...i hope its just built up oil from the 1st time...i will run it for a while and see if it clears up

now i should get smacked by every forum member for this one....i just realized that i plugged one of the fittings on the valve cover when i was doing my intake pipe over...and guess what went away when i unplugged it....no more smoke. Boosts fine...no smoke no more drip....This is what happens when u rush things :cool:

Might seem like a dumb question, but is the oil leaving the turbo just going by gravity or is it pressurized. I say this because I have almost a loop in my line becuase the oil barb from the block is to close to the oil drain from the turbo to get any kind of line in there without looping it.

gravity

My line kinked on my gt28r too. I filled my whole street with smoke. Swapped the line out with some ss braided and all is good.

I also have a slight loop in my return line. I have no problems with the oil exiting the turbo.

What kind of loop do you have, is the oil for sure only draining by gravity or is it somewhat pressurized so the oil is pushed through?!

I don't know if there is pressure or not. I have just always been told its gravity. You would think there would be some sort of pressure since there is pressure on the feed side. The best way I can describe my loop is that its sort of like a telephone cord.

I don't know if there is pressure or not. I have just always been told its gravity. You would think there would be some sort of pressure since there is pressure on the feed side. The best way I can describe my loop is that its sort of like a telephone cord.


there should be not that much pressure due to the .035 restrictor used on a ball bearing turbo.

there is no pressure on the oil return after the Turbo. It just falls back to the oil pan(GRAVITY) :biggthump

there is no pressure on the oil return after the Turbo. It just falls back to the oil pan(GRAVITY)

So how does the oil go through my loop? I know I shouldn't have a loop there but I do and everything is working great.

So how does the oil go through my loop? I know I shouldn't have a loop there but I do and everything is working great.


The height of the oil drain off of the turbo gives potential energy (PE=m*g*h ) to the oil that overcomes the resistance of the "loop" below