Turbo size

[V3NOMUS03]

I'm going single turbo and ordered a cg fab single hotside with a t4 to run a borg warner s485 I'm wondering what size ar I would need to make 1000+ through a auto I had a few people tell me to just run a vs racing 80/96 car will be ran on e85 and I have the 4" down pipe going out the bumper..

 

[badcobra]

There is a lot more factors involved than just turbine size on if you'll make 1000whp. What intake, what cams, are the heads ported? I would call some of the big turbo companies and talk to them about your combo. FI, Bullseye, Work, CRT etc.