Originally Posted by Pzev04boy
With that size motor the wastegate he picked will work just fine for that turbo.
If you were trying to put a huge turbo on a 4 cylinder you need a big WG. Not the case with a v8.
Wastegate size is NOT based on Turbo Size.
It's based on volume of air, therefore a V8 with a larger displacement would need to be able to control that extra volume.