Quote Originally Posted by cab13367 View Post
In my testing, the top speed was the same between the 537 and the stock 13.7x17.5, with much improved holeshot so you will get similar results with the 1161. 47 mph seems fast though, even for the stock prop.

47 was right after my break in period and first oil change. i guess i will try her again this week. my speedo is now gps calibrated. we will see.