More HP from 5.9 Magnum

I made 354 whp with a stock bottom end 360/stock 46RE other than a converter. Ported 2.02 RT MP heads, ported M1 2bbl, 52mm TB, midlength headers. PCM was tuned by me. We are going back to the dyno next month with a 1350 CFM TB and a ported M1 4bbl......we are shooting for 380 whp. Just my .02