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#1
04-10-2008, 10:41 PM
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Recommendations for a re-power of a SF23 Inboard?
I was wondering whether anyone has ever re-powered a 23' Seacraft center console with a classic inboard set up of a shaft/prop. As of now we are looking to put in either a 225HP or a 260HP volvo diesel. I was curious if anyone has any experience/suggestions or recommendations for this re-power? Also, does anyone know what shaft sizes work best and whether or not a 1.25'' shaft is sufficient. Thanks for your time.
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#2
04-10-2008, 11:59 PM
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Re: Recommendations for a re-power of a SF23 Inboard?
where are you located. Lots of boats have been repowered with documentation here in the archives
__________________
36' Yellowfin 1972 20' seacraft 140 suzuki http://www.classicseacraft.com/commu...ad.php?t=18607
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#3
04-11-2008, 03:06 AM
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Re: Recommendations for a re-power of a SF23 Inboa
I am located in Southern Maine. What archives are you talking about?
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#5
04-15-2008, 06:22 PM
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Re: Recommendations for a re-power of a SF23 Inboard?
It sounds like you are trying a conversion? The shafts are 1.1/4" on the original CC IB's. There is some debate whether that is sufficient for a diesel conversion. Most people have gone with a Yamnar due to the reduced weight power ratio.
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http://i212.photobucket.com/albums/c...9/IMG_0476.jpg
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#6
04-16-2008, 11:46 AM
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Re: Recommendations for a re-power of a SF23 Inboard?
A yanmar 4cyl is currently rated at 260hp and really sips gas. Almost bulletproof, too. You may or may not need a tranny and trolling valve because at idle you will be going 5+kts. You are looking at 20-25k for sure unless you can find a running take out. Also there is a guy somewhere perhaps in texas that marinizes 5.9litre cummins and they are about 12k or so but don't quote me on that.
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Capt. Brian
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#7
04-16-2008, 08:37 PM
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Re: Recommendations for a re-power of a SF23 Inboard?
I think this is the information (5.9 liter Cummins-marinized) that was mentioned.
"H&H Distributing, a company in Angleton, Texas, manufactures a marine conversion kit for the 5.9, which includes a water-cooled exhaust manifold and turbo housing, heat exchanger, raw-water pump, marine bell housing, flywheel, and all necessary gaskets, brackets and fittings. Engines from 1994-97 Dodge trucks were 12 valve editions running 160 to 180 hp in trucks equipped with automatic transmissions and up to 215 hp for 1997 standard-transmission trucks." Taken from website: http://www.bertram31.com/articles/holmes/index.html Good luck!
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Getting home is more important than getting there! Plan accordingly!
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#8
04-16-2008, 08:41 PM
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Re: Recommendations for a re-power of a SF23 Inboard?
__________________
Getting home is more important than getting there! Plan accordingly!
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#10
04-21-2008, 11:13 AM
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Re: Recommendations for a re-power of a SF23 Inboa
I was going to recommend a Volvo D-4, 225 HP. Perfect motor for that boat. The 260 Yanmar is a lot of motor for a 23 Sea Craft. Thats what I have it in my Fortier (although I have the 4LH 230 HP actually)
__________________
2002 26 Fortier Yanmar 250 6LP-DTE 1978 20 Sea Craft Master Angler 08' 150 ETEC
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