adamfsunrunner
Cadet
- Joined
- Jun 5, 2006
- Messages
- 17
Hi,<br /><br />I have a 22 foot Sunrunner I/O Mercruiser engine. 1988. 260 hp 5.7 litre V8. I can't tell what size prop I have on. Everything is rubbed off. I have a lot of metal showing on the prop as most of the paint has come off from time. The prop looks ok, but I am down this season from 4500 WOT RPM to about 3900. I am not sure if it is the prop, but the engine seems to be running fine. Fuel has been checked, new coil runs great, just won't get up to WOT rpm and speed is down from 40 to about 32 at WOT. Any suggestions on putting a new prop on? Will the fact that the blades are smooth and not a little jagged from age make a difference? Nothing seems bent, but like I said, I don't know what size I have now. Any idea what size I should run with?<br /><br />Thanks