I need to no just a few things I'm going b18c1 with p72 ecu I wanna keep it obd2 I'm building the engine rods 11:1 pistons Bc stg2 cams high comp valves n bolt ons and I dnt wanna run it without a tune would apexivafc or watever it's called give me a good enough tune for tht kind of set up idk jack about tuning but I dnt wanna go obd1 if I dnt hsv to Is apexi product comparable to s100 cuz I dnt want an extreme tune any info will help