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PostPosted: Mon Aug 09, 2010 5:07 pm 
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Tadpole

Joined: Mon Aug 09, 2010 5:05 pm
Posts: 1
Hey everyone,
To make a long story short I have a 2000 Four Winns 248 Vista. Its heavy 5800 dry. It is powered by a Volvo Penta 5.7 GS 250hp and a Penta SX drive. I know its alot of boat for the motor. Anyway its currently got a Solas 4 blade aluminum 14.75X15 on it. I am hoping a better prop will get me better preformance. Currently the boat will plane decent with tabs and trim in and 2 people once it planes it will run 4800 RPM at WOT so thats pretty much right were id want it. Not sure the speed no GPS. With more than 2 people it will not plane unless we put most of the people in the front. Also once on plane it will fall off around 3800 RPM really it cruises best at 4100. Can a prop help me I have had so many recomedations I dont know where to start. Heres what I have been told so far. A Powertech ELE4 4 blade stainless 15X15. A Mercury Black Max 16x14. Also a Mirage Plus 15.75X15. Oh one more thing when it will not plane off it goes to 3800-4000 rpms and plows water with the nose in the air at about 5 mph. So is the prop not biting or not enought power to push it over the hump. I know its never gounna be a race boat I am just hoping to make it a little better. Sorry for makeing a long story long. Thanks.


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PostPosted: Mon Aug 09, 2010 6:43 pm 
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Lake Michigan - Unsalted

Joined: Wed Nov 14, 2007 11:38 pm
Posts: 867
Location: Comstock Park / Grand Haven (Barretts)
First - Welcome! I'm sure one of us can help.

I'd start here http://www.fourwinns.com/past_product/specs and see what factory equipment was for your boat. Start there where the engineers figured which prop was best for your boat, and make changes from that point. I'd also make sure your motor is turning the correct RPM and you have no compression issues.

Good luck. Keep us in the loop and post some pictures of your boat!

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2001 Horizon 260 - 7.4 Volvo GSI DP

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PostPosted: Mon Aug 09, 2010 6:46 pm 
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Lake Michigan - Unsalted

Joined: Wed Nov 14, 2007 11:38 pm
Posts: 867
Location: Comstock Park / Grand Haven (Barretts)
Looks like a 15x15.5 Alum prop was stock -

Maybe try stainless in a 15x15.5 first

Where are you located? Maybe someone can tell you where to find a used prop at a nice price or someone will let you use one.

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2001 Horizon 260 - 7.4 Volvo GSI DP

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