The last 3 turbos have been In great condition used turbos. But for the rebuilt and new ones i had was as follows:
1. Fill turbo inlet with new oil
2. Prime turbo supply line with FSS unpluged (cranking only)
3. Turn on engine and bring to temp ideling.
4. Drive around 15-20 min light driving no
Wot.
5. Next 300-400 miles normal driving no
Wot.
6. Check shaft play (never see any shaft play here)
All this is done with a new oil change. The money is starting to add up with replacement turbos and new oil every 1000-1500 miles. At 1000 miles i notice shaft play at 1300ish miles i can hear the turbo squeling.
Next question how can i tune this engine for N/A driving. Im serriously considering this till my new engine is done.