Here is a new update:
Replaced the following on the boat:
- spark plugs, spark plug wires, two fuel injectors, fuel filter, impeller
Boat is running very well now. WOT was recorded at 5000 RPM at 47.1 MPH still with the 22p prop. I am assuming that the 26p should get the boat up to 52 MPHish...
Thanks for your response! Mush appreciated! I will have a full survey report within the next few days and will share. The surveyor did do a diag on the ECU with his scanner. I believe the prop is a 22P. Any idea what should be on the boat to get it up to 50mph?
This is my first post so I thought all you seasoned SS owners can help out. I sea trialed the above subject boat today and it could only get up 39MPH on the GPS at 4900RPMs. Load was 4 adults, 1/2 tank of fuel, no water or waste. It seemed to run a bit rough/vibration. Wondering if it is old...