Join Date: Sep 2011
Location: Breslau, Ontario
I would think the compressor wheel is touchin the housing or one of the gaskets is leakin, causing a whistle. Maybe pull the intake pipe and check shaft movement and housing contact. I have a rebuilt 03 turbo here. I will shoot you a pm.
2005 F250 SCSB 4x4
-ARP studs, PowerMax turbo, Custom tuned SCT, Accufab intake elbow, Coolant filter, Oil bypass filter, Autometers and Scangauge, Zoodad + fast idle mods, Gogo direct solenoid, 4" turbo back MagnaFlow duals,2.5 levelling kit, Air bag helpers, Cowl hood, 7.5` Arctic plow