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#1
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Horse power
just looked at a GREAT 1989 v20 yesterday boat was in excellent shape and even ran great but it had a 140 hp johnson on it and was very slow could barely get it to plane off at full speed at 5500rpms at a cruise 4000rpms boat only got to about 18mph I ve heard you guys say a 150hp was minium but does 10hp make that much of a difference? and what hp should i be lookin for on the next one?......... really hated to let that one go
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#3
06-07-2009, 09:09 AM
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What Seacrets said, I had a 140 Johnson on my previous V and saw 35 fully loaded. Something is very wrong there
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Willy 1986 V20 Old School 1992 V20 1992 150 Yamaha 1997 HydraSport 2250 Vector 2009 17' G3 Outfitter "G Spot" http://www.youtube.com/watch?v=TDebw...eature=related "I won't be wronged, I won't be insulted and I won't be laid on a hand on. I don't do these things to others and I require the same from them" JW
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#4
06-07-2009, 09:13 AM
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NYMACK66 has a 140 on his V and has much better numbers than those. You may want to check and see if somebody put a V-6 lower unit on it. The different gear ratio will kill the V-4's performance. And that 140 is propshaft rated and is every bit as strong as many of the older 150's that many run on there V's.
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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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#5
06-07-2009, 11:48 AM
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Go take another look...SEVERAL members here run 140s and get good numbers...agree it's wrong prop or something...if ya like the boat, go find out whassamatter
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'74 V-20/ BF 150 '95 V-21/ BF 150 '84 V-20/ 200 2.4 Merc '87 V-20/'18 F150 Yamaha 
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#7
06-07-2009, 08:09 PM
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I have a 90 hp that does better then those numbers, I would check to make sure you have the right prop. I'm running a 13.25 x 17 and get 27 to 29 MPH at 4600 rpm's
Turbo
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1984 V-20 Center Console 1985 90 hp Merc. American by birth, Southern by the grace of GOD. Never let your hobby become a job but rather let you job become your hobby. http://www.wellcraftv20.com/gallery/turbine_doc_84_cc
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