5.8 liter omg loses power at wot

by Paul
(Traverse City MI)

I have a 1995 FourWinns 258 Vista I purchase this summer. I'm the third owner, the first was an engineer for FourWiins who ordered it for his daughter. The second was a auto mechanic and boat enthusiast.

The boat is extremely well taken care of and service properly.

My problem is this; all ten times that we took this boat out, it performed excellently at wot. Running around 4000 to 4200 rep and 34 to 35 MPH, now I can barely hit 3000 rpm and 20 mph. On the last outing I noticed a hesitation when I tried to start it, same at cold or hot. Even with the lift pump acting up we still achieved excellent performance all day, once the engine started. No big deal, I contacted a new marine mechanic who diagnosed it over the phone as a bad lift pump. I took it in, had the pump replaced. Keep in mind, it was just a slight problem, not like we had to crank it for a while to start.

Here's the problem. I have a real hard time believing that this was a coincidence. I believe something happened at the repair center, but what? I don't think it's right to blame the mechanic but being a person who likes to think things through, it baffles me. Any idea's would be helpful.


Click here to post comments

Join in and write your own page! It's easy to do. How? Simply click here to return to FISHING and BOATS FORUM.