Guys, I removed the Sensenich over the weekend and returned it to Dan Weseman(Thanks Dan) and reinstalled the Sterba that is now a 56 x 64 instead of 58x 64. I got a once around the patch to check it out just before dark on Sunday then another 40 min yesterday morning and 1hr 10 min this morning. ( I dedicated 2 of the flights to Larry Flesner & Mark Jones while they are on the ground to make them feel better-hope it helps) The Sterba seems smoother to me now but is still more than I want to get the rpm's up some. The climb rate is the same as the Sensenich but the rpm is at 2550 now instead of 2950 and full power cruise is about 2925 instead of the 3500. And the top speed is now at 170 indicated instead of 168 with the Sensenich. I think that I have finally solved my last nagging oil leak. The top blots through the cover that housed the fuel pump and is where my starter is located I found that the washers had deformed when I had torqued them and were leaking from them. I replaced the washers and put sealant on both sides of them and now have 2 leak free hours. I'll never be the marathon man that Mark L. is but I have a pretty good month going for me. I have flown N357CJ 10 out of the last 21 days for 9.3 hours and 20 landings. Total to date is 26.5 hours and I am starting to feel good enough about landings to go back to a steady flight and stability testing program. Oh -- Forgot one thing- when I removed the prop I found that the rear bulk head of the spinner was cracked almost 3/4 of the way around and also deformed to the shape of the prop hub. So anyone thinking they don't need to spend the money on a front bulk head for their spinner I'll send you a picture. I was only a flight or two from buying the prop that was loaned to me. I just know it would have been ugly if it had let loose. I can hardly wait too get together with you guys this year. Joe Horton, Coopersburg, PA. joe.kr2s.buil...@juno.com