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#1
04-29-2016, 12:09 PM
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Restored 20 SF and Optimax 135 Performance????
What are your thoughts on a fully restored and lightweight 1971 Potter SeaCraft SF and the Optimax 135?
I'm restoring the boat right now and will be done in a few months. I'm strongly considering the 2.5L 6-cylinder 135 Optimax think it would be a good combination. The boat will not have a t-top and motor is hung on a 25" transom. I'd like to see a fuel economy of 4.5 to 5 mpg or better.
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The Idiot Who Re-Built the Burnt-Up 35 Duffy 
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#3
05-02-2016, 01:44 PM
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Changed directions ..... I'll most likely install a new Mercury 150 4-stroke on the 20 SF.
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The Idiot Who Re-Built the Burnt-Up 35 Duffy
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#4
05-02-2016, 08:05 PM
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Quote:
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#5
05-03-2016, 01:01 AM
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About 25 lbs more for the new 4-s
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there's no such thing as normal anymore...
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#6
05-03-2016, 11:34 AM
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repower
I would look at the 140 or 175 Suzuki. Great engine good fuel burn
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#7
05-03-2016, 12:20 PM
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Quote:
The Suzuki 115/140 are about 410-420. I am also considering the Etec 115 at 400lbs and the Optimax 115 at 380 as well as the new Mercury 115 4 stroke at 370lbs As you can see, I'm all over the place 😊 If I was confident that the 20 SeaCraft with a raised deck (+3") and a raised transom and Nidacore floor could handle the weight of the Mercury 150, if probably go with it. But if the Seacraft won't plane under 18-19 mph with a 450lb motor on the transom, I'll find something lighter. Thoughts??
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The Idiot Who Re-Built the Burnt-Up 35 Duffy
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#8
05-03-2016, 02:30 PM
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My vote is sub 400 lb. 115 etec or merc. And some extra anchor chain for trim.
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#9
05-03-2016, 05:24 PM
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That v6 135 merc is a good motor for that boat
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#10
05-05-2016, 10:27 AM
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I'm almost dead set on the new merc 115 for my potter 20 when its done. Lighter than an etec 115. In fact, lighter than I think all the 115s. I had considered yammy 115 but the 2.1L displacement of the merc makes me think itd have more torque than the littlle yamaha at 1.8 liters and a tad heavier. For me it's coming down to the merc 115 or etec 90. I have an etec 90 on another boat and it's a fabulous motor, but I'm just not certain itd be enough for ME on my SeaCraft. I know others have the etec 90 and swear by it but I think I'd want a bit more.
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1971 Potter built center console.
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Linear Mode
