Muckman - NA Pull Gauges
Pulled wastegate spring to run 0psi and tune part throttle. 236hp @ 8400rpm observed (not corrected).
85mm x 89mm sleeved B18C, 13.6:1 compression, big valve DART head, GSC T1 cams, GT3076R, E85 ethanol, Dual Walbro 255, Bosch 1600cc.