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#1
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IMO all that is needed is a 150hp, this will give you the push for you beer belly friens and pretty good gas miles.
as far as big seas, I don't care if you have a 100 or 300 hp motor, V20's are a stable platform, but they were never made to be a speed boat!! They key to waves in a V20 is slow and steady when things get ruff.
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1986 V20  Old Fishermen never die, we just SMELL that way!! 
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#2
04-23-2009, 07:53 PM
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Fuel Efficient HP
Macojoe, other than the "all seeing eye" thanks for the post. For your perspective and appreciation ... I had a Maco 25'. Beautiful boat off shore and in the "Chesapeake chop", however, a "wet" ride. When in a squall or off shore in "seas", full throttle was needed to plow from one sine wave to the next with a 225 Merc. . The V20 has a better bow flair and is shorter/ lighter. I would not intentionally go out in the same conditions as the Mako, however, as we know stuff happens. Just looking for the best package to keep me on the water vs the gas pump/repairs. Thanks.
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#4
04-24-2009, 07:15 AM
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Agreed...150 OB is as balanced a powerplant for a V-20 as it comes...
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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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#5
04-24-2009, 11:50 AM
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My Johnzuki 140 4 stroke will move my V FULLY loaded just fine, and it gets 5 mpg!
 But to answer your question, WILLY's old V had a 115 on a bracket and he said it did just fine.
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*************************************** Stay Safe!  Sold - 1984 V-20 Cuddy with a 2003 Johnson 140 hp gas sippin 4-stroke. 1995 Ranger 250C with a 2015 Suzuki 300 hp 4-stroke.
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#6
05-25-2009, 04:37 PM
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Since 150 seems to be about the best HP/MPG size to put on the V20, then what should I expect with a 175? I've seen these boats with 120 on the back and they still pull tubes like a ragdoll. Will fuel economy be worse or better in rough waters with the bigger motor since it has the extra HP over the 150? I want to go offshore with mine too out of Pass Christian, so I know I will be seeing 2-4 footers sometimes coming back from out there.
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#7
05-25-2009, 05:21 PM
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I use to get 2.5 to 3 mpg with my 175 yamaha, Like with anything if you hop on it you are going to use more gas. Some motors are better then others, but if proped right and tuned well you will get 2 to 4 on most 2 strokes
__________________
1986 V20 Old Fishermen never die, we just SMELL that way!!
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