I noticed I have to correct my steering much more with the 3 blade. With the four blade I can take my hands off the wheel going 60 and the boat goes straight.

My boat tracks pretty straight with either prop if I don't trim to high. I can trim farther with the 4 blade without getting loose. I gotta keep the 3 blade on until I run my buddy's Velocity then the 4 blade goes back on.
The fastest water for me is about a 1' chop. With a small chop, I can trim farther than on glass without porpussing sp... If the water get bigger than 2', I use my tabs so she flys flat and that kills some speed. We tend to have chop and not rollers in the sound but when we get to the ocean, the fun starts...

Hynautic Hydraulic steering. I have 1 1/2" play in my steering wheel . Is this normal ? If not, I think this is my wandering problem . Anyone ? Superboat Guru Pat ? How do you tighten it up? I bled the air out .

I would not think there should be any play with a full hydraulic system.
Sorry Bash, I'm not familiar with the Hynautic system.
The helm provides all the power right? Is there a way to bleed both at the helm and at the pistons? Got to still have air in it somewhere, oil is not compressible...
I put a new power steering pump in mine today. I have never realy had to bleed the thing though. Seems to bleed its self and I just refill the res...