JusMX141
Moderator
- 15,148
- 1,268
- Dec 13, 2005
-
Greensburg,
Pennsylvania
Guys, there really is no point to recording the information from Ball Bearing units.
A ball bearing turbo is either going to make boost when it's new or it's not. As long as it's fed a clean low-pressure and low-volume oil source, it's lifespan is literally indefinite. There is no thrust system in a ball bearing turbo, nor do you have to worry about sudden drops in oil pressure causing metal-on-metal contact of the bearings because the bearings are always metal-on-metal.
The objective here is trying to determine exactly why the journal bearing PTE units are failing with such low mileage when sourced exactly how PTE recommends.
A ball bearing turbo is either going to make boost when it's new or it's not. As long as it's fed a clean low-pressure and low-volume oil source, it's lifespan is literally indefinite. There is no thrust system in a ball bearing turbo, nor do you have to worry about sudden drops in oil pressure causing metal-on-metal contact of the bearings because the bearings are always metal-on-metal.
The objective here is trying to determine exactly why the journal bearing PTE units are failing with such low mileage when sourced exactly how PTE recommends.