i am new at this turbo thing and i was wondering is a t3 turbo with a .42 cold side and a .48 hot side any good, and what is the diffeance in the measuments and what do they mean any help would be greatly helpful thanks

 

cmon throw me a frigging bone here people i need this one answered help please

 

I bet if you asked the question in the RIGHT section if will be answered quicker.