Drain issue

[michael evans]

Ever since I put on the GN1 drain back it seems that oil has been leaking into the inlet.

In taking the Turbe off to send it t Turbonetics I saw that the line might of been kinked some.

Will that alone make the oil leak ?

Has anyone made their own drain back ? I am ready to. I would have stayed with the factory parts if I knew it would cause this issue.

 

[bison]

I had a video up explaining the problem but I pulled it. It will be on the website soon. My advice is to run the stock oil return. It will save you a lot of aggravation.


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[michael evans]

I also think so

 

[michael evans]

How much oil pressure is to much before the seal (s) leak ? Has anyone put a gauge or regulator on the input ?

I made my own then bought a GN1 drain back and had problems with both. If I had not sold the factory part, I would just install that back on.

 

[bison]

There aren’t any seals and any positive pressure above the inlet or exhaust pressure will cause the oil to leak into corresponding sides of the turbo


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[michael evans]

The main reason I took the turbo off and sent it to Turbonetics is because it was dripping oil into the intake side.
I first noticed that the new air filter was getting dirty quick.

After getting the up-pipe off, the intake itself also had an oil coating that I know for sure was clean just a few months ago.

 

[No disintegrations]

The oil is foamy after the turbo so it needs a big drain hose. If not large enough oil has nowhere to go so it goes out the shaft ends.