Finally getting close to starting the '73. My plan is to start is with 26* BTDC, adjust with vacuum gauge, and take it to 2600 RPM for 15 minutes. The build is a 351C, DOAE heads, 11:1, Lunati Bracket Master II hydro 290/300, Lift .536/.562, Speed Demon 750, RPM Air Gap, Hookers, 2.5" Pypes...