JUST COMPLETED A 340 REBUILD (1970 VINTAGE) FOR MY 69 VALIANT. MOTOR HAS BEEN BORED 0.030, PORT/POLISHED 340 HEADS, MP .484 CAM, STOCK CRANK AND VALVES, ELECTRONIC INGNITION, EDLEBROCK DUAL PLANE MANIFOLD AND EDLEBROCK 600 CFM CARBURETOR,STOCK 340 MANIFOLDS, 727 WITH 2400 STALL CONV AND 8 3/4 WITH 3.23 SURE GRIP. WHAT IS A GOOD STARTING RANGE FOR TIMING SET? HOW ABOUT VACUUM SETTINGS? THE MP DISTRIBUTOR HAS A BUILT IN ADVANCE AND I'M NOT SURE HOW MUCH VACCUUM TO USE. ANY THOUGHTS?