Stoots Aviation installation Prime IO-370CLC vs Lycoming IO-360L2A. Prime engine with Hartzell 76" Trail Blazer Constant Speed Prop installed in 2011 Cessna 172S in Mobile AL. Lycoming take off 85F 5 knots on the nose, Prime take off 98F slight cross wind. Lycoming at 1/2 tanks, Prime at 3/4 tanks. Note wind sock directions.
