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#1
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I know the fastest outboard on the planet is a Johnrude V-8. I think 60 would be doable in a V. LOL! Maybe even crack 65.
 Send it out to Dave Bush or Monty and then you got a 75 mph sled. Just north of 450 hp and balls of torque. Just need holdings in a fuel company as Ferm mentioned.
__________________
 1996 -19' NV Flats 115 Mercury 4-stroke 1983 -20' Wellcraft Center Console 250 XS 
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#2
09-22-2014, 12:44 PM
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There's a guy on THT with three Monty motors on the back of his scarab. 430hp a piece.
__________________
1999 Wellcraft 22WA-200 Ocean Runner 1982 Grady White Tarpon 190-110 Evinrude-Sold 1996 Striper 2100WA-RIP Sandy 1989 Wellcraft 18-Sport-125 Force-sold
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#3
09-22-2014, 02:19 PM
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Yup, quick Ferm what is the fuel burn in minutes? I can't imagine fuel flowing through 3/8" fuel hose fast enough. The fuel hose would need to be ethanol AND vacuum rated.
__________________
1996 -19' NV Flats 115 Mercury 4-stroke 1983 -20' Wellcraft Center Console 250 XS
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#4
09-22-2014, 04:28 PM
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I doubt that engine only drinks 35/per at wot. I'd guess st least 45-50 per
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#5
09-22-2014, 07:39 PM
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well 30 gph would be 1/2 gal per minute and 45 gph would be 3/4 gallon per minute....
at $4/gal you are looking at $2 - $3 per minute
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#6
09-22-2014, 08:31 PM
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Well the general rule is 1 GPH for roughly every 10HP for a 4 stroke/DFI, and about 1 GPH for every 9HP for a carbed 2 stroke at WOT. Some large engines are more like 1 GPH to 8HP, and when you turn them up the ratio goes down even furthur. If you figure smile per gallons it may be worth it to some, but not me. It hurt bad enough when I dropped the hammer on my 225 on my HYDRA-SPORTS. It drank back 28 GPH at WOT, but she was ported and opened a touch.
__________________
2011 SUNDANCE B20CCR SKIFF, 2011 YAMAHA 90HP 4 STROKE, 2011 KARAVAN SINGLE AXLE ALUMINUM TRAILER, LOWRANCE ELITE-7 HDI, MINN KOTA RIPTIDE TROLLING MOTOR 2000CC HYDRA-SPORT 225+HP EVINRUDE SOLD  AND THE PINK JEEP!!!! R.I.P. http://www.wellcraftv20.com/communit...ad.php?t=11664 
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#8
10-01-2014, 05:21 PM
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I have had both a 250 v8 Johnson and a 235 evinrude ( Two of OMC worst for MPG). Even though the V8 ran dual vro's/ fuel pumps, the 235 drank more fuel a WOT than the V8 did. Believe me that's saying something! But the sound that V8 makes at WOT is awesome
Kamikaze
__________________
 74 V20 CC with a 150 Johnson (Gone but not forgotten) 89 V20 Cutty with a Tower (Build in process)
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#9
12-09-2014, 12:51 AM
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Geez - running one of those is like hiring a lawyer who likes to hear himself talk. I'm liking my old 4 cyl Merc 170 I/O better with every post in this thread.
__________________
 Scott, Portland, OR '85 V-20 I/O, Merc 170
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#10
12-09-2014, 11:31 AM
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Quote:
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