Turbo Build Pics

theshodan

Turbo Design Specialist
Not as laggy as you would think. I have the stage 5 wheel, and its a Garret 360 Race center section(which to my reading is a dual ball bearing). I also have head work done. Ill let you know what I get full spool by once its through the break in period and tuned. But before the new motor I had full boost by 3900 rpms( but I was only running 18 psi at the time). Ill keep you all updated.

A 360 degree bearing is not a steel ball-bearing cartridge. It is simply a bearing that has oil journals on more sides of the bearing to shaft than a 270 degree. The difference is about 30K miles. On the larger turbine shafts it is a little more important because of the surface area, but journal bushing-type bearings and steel ball-bearings are different altogether..

Patrick4588 PM me, let's look at additional options.
 

dc2GS-R

Super Moderator
The 360* race bearing refers to the thrust bearing inside the center rotating housing assembly. It sounds like you have a PTE SCM series turbo. PTE does not put 270* thrust bearings into the CHRA of their floating journal bearing style turbo's anymore. PTE does sell turbo's that have the Garret GTxxR dual ball bearing CHRA, but dual ball bearing and the Turbonetic single ball bearing CHRA's do not have thrust bearing.

Most companies designate ball bearing CHRA's with an "R." Like my HKS GT3037 Pro S. It has the GT30R dual ball bearing CHRA instead of the journal bearing equipped GT30.

A PTE SC61-52E is a journal bearing CHRA with a 360* thrust bearing. The SC61-52RE is identical except for the Garrett GT ball bearing CHRA
 
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