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  #71  
Old 06-02-2013, 10:42 PM
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92 190 PS 92 190 PS is offline
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Join Date: Apr 2006
Boat: 2008 197
Location: Southwestern Ohio
Posts: 472
Great bump, this is what i was looking for. Thanks
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  #72  
Old 06-03-2013, 10:39 AM
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Boat: Sporkcraft
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Posts: 3,632
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Last edited by Spork; 07-17-2018 at 05:38 PM.
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  #73  
Old 06-03-2013, 01:45 PM
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captain planet captain planet is offline
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Join Date: Aug 2005
Boat: 2003 PS197, MCX, Powerslot
Location: Canton, Ohio
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Quote:
Originally Posted by Andyg View Post
I think your WOT is too low for your engine. According to Indmar you should prop your boat so that the WOT RPMs are between 4600 and 5200 rpms. Based on the information you provided you are actually lugging your engine which is not good for it. You will also get an improved hole shot most likely if you reprop it. Your top end might change, but it is hard to say.
A reply 6 years in the making.....4800 rpms at WOT not 4400 as previously noted.
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  #74  
Old 06-03-2013, 02:52 PM
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Kweisner Kweisner is offline
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Join Date: Oct 2012
Boat: 2007 Prostar 197
Location: Charlotte, NC
Posts: 687
1. Max rpm 4750
2. Max Speed 43 mph
3. Year of boat 2007
4. Make and Model Tournament Team 197
5. Engine MCX
6. Transmission 1:26 to 1
7. Prop 13.7 x15 OJ
8. Fuel 89 octane
9. Normal operating elevation 1625 ft.(Charlotte, NC)
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Last edited by Kweisner; 06-11-2013 at 03:47 PM.
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  #75  
Old 09-27-2016, 05:20 PM
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Blackhawk36 Blackhawk36 is offline
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Join Date: Apr 2016
Boat: Mastercraft Prostar 190, 1996, 5.7L Indmar
Location: Atlantic Coast
Posts: 229
1.Max RPM at WOT..........4500
2.Max Speed at WOT........45
3.Year of Boat...............1996
4.MFG. & Model..............Mastercraft PS190
5.Engine.........................Indmar 5.7L TBI
6.Transmission gear Ratio.....1:1
7.Prop dimensions...............OJ (Blades: 3 Diameter: 13 Pitch: 13)
8.Octane of Fuel................87 Octane
9.Normal Operating Elevation.....Sea Level
10.Anything else you want to add that may make performance different...A few mods.
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  #76  
Old 07-17-2018, 10:16 AM
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Join Date: Jan 2005
Boat: 2002 PS197
Location: WI
Posts: 1,091
Bumping this old thread as I was looking for my data from a few years ago. This year I can notice less pull on launch, evidenced by the length of the drowning on a barefoot deepwater start. I've had plugs & wires suggested, not sure when last changed. Any other suggestions before I take a closer look at prop?

2006 DATA
1. Max RPM at Wide Open Throttle: 4400
2. Max Speed at Wide Open Throttle: 47.3mph on PP and analog - NOW just under 47mph
3. Year of Boat: 2002
4. Manf. & Model: PS197
5. Engine: Predator 310 EFI
6. Transmission gear ratio 1:1
7. Prop dimensions (# of blades and pitch) 3 blade 14 pitch
8. Octane of fuel: 89octane
Elevation 900 feet
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