Quote Originally Posted by mjb929rr View Post
The lake we frequent in Nebraska is 2800’ elevation. However even in the cool mornings we see a DA of 5500-6000’. During the mid day heat closer to 7-7500’. This is what the engine thinks the altitude is and performs accordingly.
My old 20 sl450 was gutless here when loaded up with people and 1k of lead.
Which prop were/are you running with both your old SL and now with the new SL?