I flew against Van and his son in the Region 8 soaring competition last month. Really interesting guy to talk with about marketing. We chatted a bit...
I find the safest way is to follow what the Lycoming service letter said to do, then you are following what the testing at the factory has proven to...
Flew in the Army,non-sched's 727,freight DC9&B767,commuter short 360, bank checks, instructor,alaska flying. Also have a AP LIC. Currently flying my planes and a turbine beaver and a Maule M-7 on wip amph's