Boat new to me, 1989 bowrider 3.0 liter engine.
Standard 19 inch alum prop, max RPM I can achieve is 3000 with a light load and engine sounds like it laboring ,meaning a lot of intake honk.
Speedo inop, but Im guessing maybe 30 MPH at best.
This is less then I expected.
Since ignition timing means everything, I checked timing when I bought it. At idle is was set off the scale, Im guessing at about 16 BTDC. I reduced it to 8 per specs and the engine would barely accel with no load and had lots of intake pop back thru the carb. I set the timing back to the 16 degrees idle setting and ran it. Less then stellar performance.
Checked the point gap and dwell, all ok there, mechanical advance seems to be free.
Have not performed a compression check at this time.
Considering the age and hull design, do you think this is all Im going to get out of this pig with out changing props or is it normal?
Ive seen many newer 3.0 bowriders achieve 40 MPH easily and ride higher in the water lessening drag and a much higher engine RPM.
After all this, I dont even know what Im asking anymore?
Ignition timing ok or is this normal speed due to this age of boat hull design? It feels heavy in the water, has lots of hull drag.
Im used to high power bass boats, but the wife wanted this style of boat to bring the grandkids out skiing and tubeing.
Im not a happy camper.
Standard 19 inch alum prop, max RPM I can achieve is 3000 with a light load and engine sounds like it laboring ,meaning a lot of intake honk.
Speedo inop, but Im guessing maybe 30 MPH at best.
This is less then I expected.
Since ignition timing means everything, I checked timing when I bought it. At idle is was set off the scale, Im guessing at about 16 BTDC. I reduced it to 8 per specs and the engine would barely accel with no load and had lots of intake pop back thru the carb. I set the timing back to the 16 degrees idle setting and ran it. Less then stellar performance.
Checked the point gap and dwell, all ok there, mechanical advance seems to be free.
Have not performed a compression check at this time.
Considering the age and hull design, do you think this is all Im going to get out of this pig with out changing props or is it normal?
Ive seen many newer 3.0 bowriders achieve 40 MPH easily and ride higher in the water lessening drag and a much higher engine RPM.
After all this, I dont even know what Im asking anymore?
Ignition timing ok or is this normal speed due to this age of boat hull design? It feels heavy in the water, has lots of hull drag.
Im used to high power bass boats, but the wife wanted this style of boat to bring the grandkids out skiing and tubeing.
Im not a happy camper.