MGL Avionics User Forum

On a IEFIS Explorer, in the engine HP calculation setup, how does one come up with the engine factors 1, 2, 3, LOP, and HP RDAC1: ---, --% numbers? I have a 205 HP Aero Sport Power O-375 engine, with 9.7:1 compression, dual P-Mags, timed at 20 degrees BTDC. The 205 HP would presumably be at 2,700 RP...