oil bubbles out the turbo, quite abit of smoke, remote turbo
Turbo Mini Forums

Im not sure what to do next.

the first oil drain that i tried to use was not alowing oil to drain back into the block through the dizzy hole. this could have been down to size of the pipe work or the back pressure.

as the engine was running in, the oil pressure was running very hi, 90+ from start up. the oil pressure is now between 50-60psi.

when i first started the car, with the first oild drain, oil was running into the down pipe and bubbling out the top of the turbo.

ive rebuilt the turbo with new seals and berings, there is no play in the turbo now.

ive now made an oil drain out of 22mm copper pipe, and there is a mellow decilen into the block.

since re-fitting the turbo and oil drain ive seen the oil pressure drop to what its at now, theres oil getting through the drain now and you can feel the heat from the oil runnning through.

after five mins of running smoke starts to come out the exhust, and some very small bubbles of oil are appering out of where ive have marked.

the smoke could be down to any oil left in the exhust from before, and im hoping that the bubbles are from where the oil was forced through from before. but im worried that i may be runnig the risk of dammage.

any help would be great.

ps. i wrote this after having some beers, so it might not have made sence, my edit tomo

If you were pumping oil into the exhaust from the turbo due to a blocked oil return, it will take ages to burn off. I had the same problem a while ago, i checked it wasnt the turbo by trying a different exhaust silencer box that wasnt saturated in oil, and it stopped smoking!

The arrowed area is where oil bubbles out ?

Was it remove while rebuilding the turbo ?
Maybe it has not been properly refitted ?
Or the part is not flat / not matted to the other part ?
Or it needs a gasket or specific compound ?

Rusty by nature

Firstly. Why the hell is your oil pressure so high ?
50-60psi at idle is far higher than even a nutjob would want.

And it is certainly too high for a turbocharger.

Next, are you sure it isnt just condensation/exhaust gasses blowing from that area ? Not uncommon until it has warmed up and is sealing better.

Not quite sure what to say about that oil return. Although I guess it does appear to go downhill and be of reasonably sensible size. SO should work ok.

But if you are blasting far too much oil pressure into the turbo, the seals will never seal. You'll just blow the shit out of them.

9.85 @ 145mph
202mph standing mile
speed didn't kill me, but taxation probably will

You can get a variable oil pressure valve from minispares

50-60psi at idle is way too high.

If you insist on running such high pressures, fit a restrictor in the oil feed to the turbo.

9.85 @ 145mph
202mph standing mile
speed didn't kill me, but taxation probably will

Its definatly worth whipping a bit more off the spring.

I run 50-60psi at high revs, idle is about 40 cold down to about 15 hot

ok, thanks for the help. prob givr mspares acall in the morning

It's worth mentioning that it's 50-60psi when cold at 3000rpm, not idle.

In the 13's at last!.. Just

Sorted. The new drain was doing the job. The turbo and zorst must have still been full of oil. This soon burnt off after a quick run.

In the 13's at last!.. Just

so happy with it mate thanks for the help today!

Fuck yeah!