I will save you all the hassle.
t3/t4 50 trim, .63 a/r on the hot side, stage 3 exhaust wheel.

this will allow you to make over 300whp, and it will also spool very quickly on a B18C1.

Get Hondata along with this turbo of course.
Use an external (Tial) wastegate, and an SFP manifold.