Originally Posted by
Azrael
If you overspun them then they could fail, but I have experience of VF-35 (similar turbo) lasting several engines on heavily abused Subaru, using ignition cut type launch control with 1 bar of boost when stationary etc. But it surely has smaller 2,7'' exhaust.
Maybe you need ported WG? Or different exhaust housing altogether.
Probably right....we ported the WG but just could not get enough material out...
Got a GT 30 on there now... problem solved!!