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I have a 89 Sea Ray 220 DA 4.3 Alpha1 have been running a 14.5"X17 4 blade SS prop with great results. Have recently added swim platform (Swimplatforms Inc) this added approx 200 Lbs to the weight at the stern. Now with a heavy load (Full fuel 4 adults onboard) boat is taking an extreamlly long...
I recently purchased a boat that has a 4 bladed piranha composite boat proper on it. I am happy with the performance and is in the correct WOT RPM range for my set up (4800 RPM). The question I have is has any one had any experince changing from one of these 4 bladed composite to a 4 bladed SS...