Oil Restrictor
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Turbos generally don't require the pressure and flow you get from directly from the oil pump. Too much pressure can cause oil to backup into the bearing housing and spill into the turbine housing causing the car to smoke and coking up the inside of the housing/exhaust system.
Most of the centers they are building aftermarket turbos from are Garrett or Garrett based. I read somewhere that 15psi in these housings is plenty.
Most of the centers they are building aftermarket turbos from are Garrett or Garrett based. I read somewhere that 15psi in these housings is plenty.