Changing prop pitch back to original pitch.

[Judson1]

Picked up a used Trophy Plus in great shape for a good price. It was a 25 someone had repitched to a 24. Tried it this morning. With all vent holes plugged I can still blowout rolling over with about 4000 rpms. Running with two people I’m at about 5600. Think I saw 5700 solo. But very pleased with performance vs the Tempests I have. So as it gets cooler I’m worried this prop will be on the limiter when I do run WOT. Also the holeshot would have to be feathered even more by me. So can it be repitched back to original? I would think so but wasn’t sure if there is anything I should know? When I first bought the boat I ran a 25 Trophy once in October and I could only get 5400. But it ran great and I was brand new to the boat. So not quite sure what to expect if I can repitch to a 25.

[21XDC]

Start by cutting pvs venting down, Wait until cooler temps to be sure it needs pitch change.

[06 SB]

Does the Trophy have an exhaust ring installed? If not get one, put it on the prop then open up the PVS plugs. I am guessing you will need the exhaust ring and large PVS plugs.

[Judson1]

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Does the Trophy have an exhaust ring installed? If not get one, put it on the prop then open up the PVS plugs. I am guessing you will need the exhaust ring and large PVS plugs.

Not sure but I don’t think I saw anything like that. It came just like this. So with this exhaust ring it would work in a way that I would need to remove some or all of the plugs? I had never heard of the exhaust ring.

And to 21 XDC that’s a good idea to wait and see how much the cooler weather actually affects it. I can send it in anytime.
Thanks

[21XDC]

I'm not a fan of the cav ring, Save that as the last resort.

[Judson1]

I'm not a fan of the cav ring, Save that as the last resort.

Well isn’t that my last resort to prevent blowout? Because currently all four holes are plugged solid. I may not be understanding ?

[06 SB]

If you have the PVS plugged solid and still getting blow out, then you need to add the ring and start opening up the PVS plugs. The ring is either a black plastic or aluminum. Get the aluminum as it stands up to the heat from the exhaust. Mark's Props sells them. Here is a Trophy with the plastic ring installed.

[21XDC]

Well isn’t that my last resort to prevent blowout? Because currently all four holes are plugged solid. I may not be understanding ?

Yes. I thought your PVS plugs had open holes. Try the anti cavitation ring and open some PVS holes.

[Judson1]

Thanks guys. I’ll call Mark and get one.