3 blade vs 4 blade prop?

[Craigssmith99]

I have a 99 Malibu response LXI. Researching prop replacement. I understand the science between  a 3 blade versus a four blade propeller, what is the consensus out there? Is it worthwhile to go to a four blade propeller. I use the boat exclusively for water skiing at 32 to 34 miles an hour

[justgary]

2 minutes ago, Craigssmith99 said:

I have a 99 Malibu response LXI. Researching prop replacement. I understand the science between  a 3 blade versus a four blade propeller, what is the consensus out there? Is it worthwhile to go to a four blade propeller. I use the boat exclusively for water skiing at 32 to 34 miles an hour

The science is that more blades is more drag.  A four blade prop will possibly get you more hole shot, which you probably don't need.  It will also get you lower top end speed, which isn't helpful if you barefoot.  It will possibly get you less vibration, but a good three blade prop should have very little anyway.

[twitchee2]

Amce 515 or 525 /thread.  3 blade for sure.  525 will give you more holeshot and gets me 43mph on ss lxi

[Tsumi]

It seems to come down to the size of the prop. 13" diameter and below, 3 blade CNC props tend to be superior all around. 13.5" and larger and 4 blade seems to take the cake.

[UWSkier]

Get a 13x11.5 from Acme or OJ. 3 blade CNC.