What Did You Do To Your Boat This Week?

[Max123]

Ended up working on the old Mastercraft ski boat while in the Okanagan (5.7/350 TBI motor).

Started to give me some problems last week of the summer holidays. Th boat should be good for +45mph @ 4500rpm, but was topping out at less than 4000rpms with no load, and bogging down at lower speeds when under load (we discovered this when trying to pull me out of the water on a slalom ski).

Replaced the high pressure fuel filter (no effect), and replaced the spark plugs (some good effect), but ran out of time. Its 24 years old, but only has 400 hours on it. Even though it only gets 10-15hrs a year I'm pretty religious about fluid changes, but have let some of the other maintenance items slide. Next up are the wireset + cap/rotor - also going to buy an OBD1 scan tool. These motors are know for fuel pump issues (has a mesh inlet screen that gets clogged) - so that is likely coming off as well over the winter and will buy a fuel pressure gauge. Annoyed with myself that I couldn't fix it while still in the water.

 

[Rain City]

Got it launched from the drystack and started it! The walk back up the ramp damn near killed me in that heat, but she's ready for a morning sea-trial. Wish me luck.

 

[Aces]

Got it launched from the drystack and started it! The walk back up the ramp damn near killed me in that heat, but she's ready for a morning sea-trial. Wish me luck.

You got this

 

[Stizzla]

Got it launched from the drystack and started it! The walk back up the ramp damn near killed me in that heat, but she's ready for a morning sea-trial. Wish me luck.

Any pics???

 

[Rain City]

Any pics???

Haha no pics. I was too nervous about it all to think of that.

 

[A-a-Ron]

Finally bit the bullet on a new prop. Enertia ECO 16x19P which was recommended by Alberni. I’ve been running a 14.5x19P regular Enertia prop. Was happy with performance but always figured the motor had a little more to give, hoping to improve fuel economy too.

Currently I get 2.4mpg average, cruising 28-30mph, which is about 12-13 gal/hr. So for a guy who puts on about 100hrs cruising every season, it should pay for itself in a year and a half… well see

Side note, the blades on a brand new prop are deceivingly sharp

 

[Srthomas75]

Finally bit the bullet on a new prop. Enertia ECO 16x19P which was recommended by Alberni. I’ve been running a 14.5x19P regular Enertia prop. Was happy with performance but always figured the motor had a little more to give, hoping to improve fuel economy too.

Currently I get 2.4mpg average, cruising 28-30mph, which is about 12-13 gal/hr. So for a guy who puts on about 100hrs cruising every season, it should pay for itself in a year and a half… well see

Side note, the blades on a brand new prop are deceivingly sharp

how big of a motor is that on? and boat or rough weight?

 

[Aces]

Finally bit the bullet on a new prop. Enertia ECO 16x19P which was recommended by Alberni. I’ve been running a 14.5x19P regular Enertia prop. Was happy with performance but always figured the motor had a little more to give, hoping to improve fuel economy too.

Currently I get 2.4mpg average, cruising 28-30mph, which is about 12-13 gal/hr. So for a guy who puts on about 100hrs cruising every season, it should pay for itself in a year and a half… well see

Side note, the blades on a brand new prop are deceivingly sharp

You definitely put some miles on. The optimum prop makes a lot of sense.

 

[A-a-Ron]

how big of a motor is that on? and boat or rough weight?

Trophy 2052 podded (24’ approx incl pod) Merc 250hp. About 4500lb without fuel

 

[A-a-Ron]

You definitely put some miles on. The optimum prop makes a lot of sense.

ECO is a funny name for something that helps you burn so much fuel