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Old 04-14-2010, 03:39 PM
06197ttlq9-footer's Avatar
06197ttlq9-footer 06197ttlq9-footer is offline
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Join Date: Jun 2007
Boat: 2006,197 Tournement Team LQ9
Location: Maryville TN. 20min from the center of our Universe.
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Originally Posted by EJ OJPROP View Post
The prop you are running needs to be replaced. A standard 14 X 18 LC 1 1/8" 4-blade should lower the RPM at 36 as well as WOT.
Should be 1:1 (3600rpm to 36 mph)and just because you saw 4800rpms with that prop don't mean your gunna see 48mph. But you will save some wear and some gas.

I had a 1990 ps 190 351 power slot. Sometimes footin in the fall on Telico both spedo's would pick up trash and you have to use the tach to tell what your speed is.

Peace W
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Old 07-13-2015, 09:08 PM
Rummaster Rummaster is offline
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Join Date: Jul 2015
Boat: 1985 Prostar
Location: Eastern US
Posts: 1
Need help in re-propping my 1985 Prostar with Powerslot. The existing prop is 3 blade 14 18 Cup.
I am not that interested in increasing speed, but I would like to see what additional torque I can get during starting to try and pull lots of skiers. What difference does 3 or 4 blade props make
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Old 07-13-2015, 09:37 PM
jpage jpage is offline
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Join Date: May 2012
Boat: 1984 Stars & Stripes
Location: Southeast
Posts: 151
Call Eric at OJ props he can set you up with what you need. It will recommend the 454 13.5x17.5 CNC prop

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powerslot, prop, rpm

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