I made 240HP and 281FT-Lbs of torque.
My Combo is a 5.0L, GT40p heads, Crower 15511 Cam, Explorer Intake.
From all me research my Car Chemistry inserts may be hurting me. A fellow Cobra driver's, cobrastang, graph looked remarkeably like mine. Loosing wind on the top end.
THE GRAPH:
The Video: