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Thread: My Outrageous STV Project
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06-27-2012, 06:20 AM #1
5000 RPM
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My Outrageous STV Project
Just finishing my 3 litre STV project. I was not sure if the boat could handle the big motor, but so far so good. I've only got 3 hours on the motor so i'm keeping it under 5500rpm. She runs from 80 past 100 pretty quick. Got a couple pics to share if anyone is interested.
Last edited by cali kid; 06-27-2012 at 06:35 AM. Reason: Adding one last picture!
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06-27-2012, 07:10 AM #2
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Should be. Will dyno it after I get a little more time on it .
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06-27-2012, 07:35 PM #3
Screaming And Flying!
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3.4?
What did you do?2023 TUFF 25
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06-27-2012, 09:38 PM #4
5000 RPM
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Stroker crank,.40 overbore,porting,carbon reeds,high compression,light flyweel,bigbore intake,special reedplate,56psi. fuel,special injectors,drystack,exhaust tuner,balanced,1.62 sporty,34" lighting et.and more.
Originally Posted by RBT
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06-27-2012, 09:45 PM #5
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subscribed
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Replacement Fiberglass Windshields For just about every hydrostream
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06-28-2012, 05:32 AM #6
Screaming And Flying!
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ditto Originally Posted by afr
I'd rather be competitive w/junk I built in my garage than win w/stuff I bought.
I refuse to allow common sense to interfere w/my boat buying decisions.
Checkmate 16' 140 Johnson
Hydrostream 17' Vector FrankenRude I
Laser 480 (?) 21' w/GT 200
Glastron Carlson Conquest w/XP 2.6
Glastron Carlson CVX 20 w/XP 2.6
24' Sonic w/twin 250 Johnsons
24' Sonic w/twin 250 HO Johnsons
19' STV River Rocket w/FrankenRude II
Allison XR 2002 w/Frankenrude II
Hydrostream 18' V-King w/Frankenrude II
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06-28-2012, 07:54 AM #7
7000 RPM
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Who did your motor work and what about fuel management? Interesting...........
Russ Benton
Allison XB-2003 w/JSRE Pro Max
Allison XR-2001 w/260 +
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06-28-2012, 08:25 AM #8
7000 RPM
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cool project...cant wait to hear the dyno numbers
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06-28-2012, 08:44 AM #9
5000 RPM
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The ECU is motorola 555 from a 496 ho v8.Basiclly a core.Eric Simon did the program.The VST is from an early Opi as well as the hi pressure pump.I modified the vst to flow fuel from the float tank directly to the pump chamber.Lo pressure is holley red in the boat.The fuel rail is modified stock efi merc.The pressure reg and injectors are from Marren in Conn.All the fittings and hose are Areoquip socketless 6 AN.I did all the motor work myself. Originally Posted by RB in NM
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06-29-2012, 10:49 PM #10
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looks this should be insane
im watchin
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06-30-2012, 04:56 PM #11
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lets see its stance sitting in the water got any pics of it wet
https://www.facebook.com/scott.steffe
Replacement Fiberglass Windshields For just about every hydrostream
Fiberglass Seat Shells 18 wide high backs, 18 wide barrel backs and 23 wide big boy barrel backs
call 941-575-8914 with any questions
7 to 3pm 5 days a week
Custom Fiberglass and Paint
In Business since 1984
for sale
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06-30-2012, 05:22 PM #12
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Originally Posted by dnr78
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07-02-2012, 08:44 AM #13
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It doesn't set much lower than it did with the BP on it.We took a Flip camera with us over the week end.I'll try to put some of it on here. Originally Posted by afr
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07-02-2012, 11:22 AM #14
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I ran the boat over the weekend.Got a Livorsi 120 GPS tattle tale speedo. Very close to pegging it with a 200 pound passenger. Ran around 115 solo and got a scary speed wobble. It's stable with 2 people. Still have the rubber mounts in it.Got solids coming this week. Using sea star pro steering,feels pretty tight. Any thoughts or suggestions? Thanks
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07-02-2012, 06:25 PM #15
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Yes be very careful and wear a good jacket
"Conklin Racing" M/E 0494
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