Our factory OH IO-360-A3B6 was delivered last august, and installed. It has 131 hours on it now. The oil pressure is 95-100 PSI in cruise, and the redline on the gauge is marked 100 PSI.   I read an article that the new Lycoming IO-360s on the 172R, 172S, 182S, and 206 are now marked with a 115 PSI redline, and further, the oil sender is in the front of the engine, which is 15 PSI lower than the oil pump port, where our sender is mounted.  So it would be making 125-130 PSI at the oil pump, a h