In this case the engine supplies the oil pressure and the pump simply returns the turbo oil to a point above the sump level.
Turbo oil drain pump.
So if you have the turbo 10 degrees on average from vertical on the feed it leaves the oil in the chra longer than it should be.
The most common reason a 993 turbo smokes on startup is the turbochargers siphoning oil from the engine after shutoff.
1 on 3 performance oil scavenge pump standard black pump not carbon like photographed.
Even on systems that are able to gravity drain this is a possibility to avoid tapping the oil pan.
They are also suitable as turbo oil feed pumps where gravity drain is possible and are often used where a separate turbo oil supply is used which.
The turbocharger can only drain from gravity there is nothing else that will force the oil out of the turbo back to the pan.
If utilizing an oil return pump the pump should be mounted lower than the oil drain on the turbocharger.
After researching i found this setrab banjo adapter m22 to an10.
I am doing a turbo conversion on my 79 sc i was looking for a way to drain the oil from the turbo back into the sump.
2 5 8 billet machined custom hose barbs.
Cxracing electric oil scavenge pump for turbo oil feed perfect for bottom mount turbo applications that need to positively scavenge oil between engine and oil pan 12v dc 6 a amps 3 2l gpm.
2 1 2 brass hose barbs.
5 5 lbs weight an 8 inlet and outlet copper gears internal supports large volume of oil scavenging for large turbo or twin turbo pump offers an 8 male connections we also offer an 10 notes off road or.
These pumps are suitable for remote turbo systems as oil scavenge pumps.
The air bubbles may have to settle out of the oil before the pump will pump.
Running the external pumps there is noise associated with this.
Rarely is the smoking at start up due to worn out turbochargers oil draining back into the turbochargers from the crankcase or worn valve guides stems seals.
It may also be necessary to have an oil reservoir installed in the oil return prior to the pump.