(14-09-2014, 07:04 AM)Poodle Wrote: So the oil pressure is fine..? 4bar at idle still seems a hell of a lot, garrett specify their turbos don't like more than 5bar feed pressure.
60psi actually....but only for ball bearing turbos.
Journal bearings, like the GTB2056vlkr has, use a hydrodynamic film of oil to space them properly, much like crank bearings for instance.
There is the possibility of too much pressure still but it needs to be like 10bar+
Wishes for more power...