speedzone99 AKA Russ its about time you got your Butt on here and helped me out . Let me tell you guys this Russ is one of the best Engine Tuning guys i have ever been around he has called me and we have Talked about his findings and i think he is a 100% right i think the LSN should be set at 2.5 out from Flush and start your LSN tuning for there. And your HSN at 3.5 to start with.