Figured I'd share some results I found from someone running my same 61mm turbo (BW S300sx 84-75) on a Supra with a .88AR T4 open exhaust housing and 264/264 cams. Thought they were some pretty good numbers for a 61mm.
560hp\540tq @ 18psi
630hp\590tq @ 23psi
700hp\675tq @ 27psi