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Old 09-09-2014, 11:49 AM
cal69 cal69 is offline
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Join Date: Nov 2010
Boat: 1992 PS 205, 351 HO 1:1
Location: Southwest
Posts: 64
Calling the prop experts

My boat:

1992 ProStar 205 w/351 HO 285hp. 1:1 trans. All stock except for 4160 Holley and Pertronix Ignitor II conversion and coil.

We primarily ski at 34mph @ 22 off, sometimes 28 off. Other use now includes pre-teens wakeboarding, kneeboarding, skiing and dare I admit, tubing.

I'm currently running a 13x13 OJ Legend. The stock stainless 13x13 is my spare. I'm looking for a bit more hole shot without any ski wake compromise (most important).

I have been looking at the Acme 541 based on reviews I have read. Considering it, but the cost has kept me away. However, I recently found a OJ 13x12.5 3 blade that is ready to go for cheap (under $150). I'm nearly 100% that it is not a cnc prop. Never came across this sizing.

My question is: will this .5 diff in size provide a noticeable gain in hole shot and keep my wake the same or is it a waste of time? Keep in mind, the cost is low enough that I could sell one of my current props (or this one) and recover my costs.

Looking forward to hearing opinions and thanks!
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Old 09-09-2014, 12:04 PM
Roman Roman is offline
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Join Date: Jan 2014
Boat: 1991 Maristar 240 Open Bow w/ 454
Location: Michigan/Windsor
Posts: 202
Is your current one a 3 or 4 blade?

If your current 13x13 legend is a 4 blade, and your comparing it to a non-cnc 13x12.5 3 blade I think you will get less holeshot.

I think your wasting your time. Go 541 or 543. Save up. They come up used from time to time.

I had the 541 and 13x13 4 blade legend. They are pretty much the same holeshot on a big 25' mastercraft like I have. More topend from the 541.

On your boat, the 541 is supposed to be a great upgrade.
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Old 09-09-2014, 12:10 PM
cal69 cal69 is offline
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Join Date: Nov 2010
Boat: 1992 PS 205, 351 HO 1:1
Location: Southwest
Posts: 64
Sorry, forgot to say I currently have a 3-blade and the one available use is a 3-blade also, just .5 diff in blade size.
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Old 09-09-2014, 12:14 PM
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snobinge snobinge is offline
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Join Date: Aug 2009
Boat: Mastercraft Prostar 205 1998 5.7 Vortec
Location: Midwest
Posts: 155
I have the 541 on my 205 and have been very happy with it. With that being said, if hole shot is your only criteria for getting a new prop I'm not sure the 541 would be that huge of a difference over a 13X13 Legend 4 blade. There are probably other CNC props that would be better for hole shot as long as you don't mind sacrifice on the top.
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Old 09-09-2014, 01:27 PM
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Double D Double D is offline
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Join Date: Sep 2004
Boat: 1994 Mastercraft, ProStar 205, 350 Indmar with 275 hp
Location: Massillon, Ohio
Posts: 4,226
I have a 94 PS 205 and I had the stock 3 blade for years and wanted more hole shot. Went with a OJ 13x13 4 blade and gained hole shot but lost top end, around 2 mph. I was fine with it but then I learned about the Acme 541 3-blade, where I could keep the hole shot I gained (or slightly improve) with the 4-blade and get back my top end. So far after one season, I love it. Sold off the 4-blade within a week of using the new one.
If its not a competition ski boat, its always second best.

1994 MasterCraft ProStar 205
275 HP 350 Chevy Indmar
Monster Tower & PerfectPass

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"In my many years I have come to a conclusion that one useless man is a shame, two is a law firm and three or more is a congress." - John Adams
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Old 09-09-2014, 04:16 PM
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André André is offline
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Join Date: Jul 2004
Boat: Prostar 190 1994
Location: Near Sherbrooke,Québec,Canada
Posts: 4,416
Another vote for the 541.
Holeshot on your 205 with 285hp should be plenty strong stock but will be better with the 541.
Whatever you get,go CNC!!!
Keep skiing!!!
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Old 09-09-2014, 04:24 PM
waterlogged882 waterlogged882 is offline
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Join Date: Jan 2012
Boat: wooden, boat, 1908, putt
Location: lake
Posts: 112
Acme 541 for years. CNC is their standard
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Old 09-09-2014, 04:37 PM
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Miss Rita Miss Rita is offline
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Join Date: Jul 2009
Boat: 1992 ProStar 205, 1991 Ski Pro
Location: Black Hills
Posts: 842
I have the exact same powertrain as the OP. Last year I bought the Acme 543; 11.5" pitch. I wanted less pitch because I usually run at 4700' altitude. It has a great hole shot, lost nothing on top end. It was much better than the 20 year old 13 x 13 prop that came with the boat. It pulls stronger than my friend's '94 205 with the LT1 engine.

My recommendation would be the Acme 541 at lower altitudes, the 543 if you are in a mountainous area.
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Old 09-09-2014, 10:07 PM
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mikeg205 mikeg205 is offline
Join Date: Aug 2011
Boat: 1995 Pro Star 205 5.7 Liter
Location: Plainfield - Joliet, IL
Posts: 11,127
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Calling the prop experts

I have the 13x13 OJ 4 blade like DD had.... 275HP TBI - I love it.. lost a bit of top end - but I rarely run WOT - I get 42 mph with 3 people - when skiing the 4B holds speed better on a hard cut - IMO - pulls like a freight train...
...A bad day water skiing still beats a good day at work...1995 Pro Star 205....
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Old 09-10-2014, 06:17 AM
EJ OJPROP's Avatar
MC Fanatic
Join Date: Mar 2005
Location: East Tennessee
Posts: 582
Would suggest either our CNC machined 13 x 12 or 13 x 11.5 3-blades. Welcome to try them both to see which fits your needs best.
Eric Johnson
Johnson Propeller Co., Inc
OJ PROPS 800-359-9730
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