22ft Sisu Rebuild

tunaorlater

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Ok finally started getting into the Sisu in between replacing the tanks in the NB. I bought this boat from a guy who had not had it in the water in about 13 years. The hull is dry, top sides had some issues from where the rails were mounted and not decored. The decks were dust. Tanks good. Engine good but needed heat exchanger fuel pump and alt. new hoses and a fresh can of rebuild. Trailer needed 2 new axles other wise perfect. Hull is cored but no rot at all.

sisu.jpg

sisu4.jpg

sisu2.jpg
 

tunaorlater

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The stern rail will stay off but I will have to see what it looks like with and with out bow rail. Everything is ripped out and ready to go. Engine work is done. I have to put the rest of the picture in the computer tomorrow. The front step will be moved foward 16 inches, I was going to keep it a flat deck but need the storage room.

sisu3.jpg

motor.jpg
 
Last edited:

Frigate

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Tuna,

An inquiring mind and a partially burnt body would like to know what type of hose Sisu used for the fuel fills?
 

tunaorlater

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Floyd, This Sisu was not finished by Sisu, it was done by a finisher out in Greenport. The hoses were standard fill hoses not junk. I will post pics again asap. We have made some progress over ther past week. Ready to put decks down this week I hope.
 

tunaorlater

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I'm thinking more of a Georges bank tuna boat! lol You could do it round trip for 20 gallons. I considered putting a gasser in there for some speed but decided to stay with the little deisel.
 

tunaorlater

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These pictures are about a week old but you get the idea of where we are at.

Last one is the NB tank job.

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samson23

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ssamson23
rails

i noticed you said the stern rails aren't going back on , any interest in selling them , i could make them work if the dimensions are close.
 

tunaorlater

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Sorry, just saw this. If you can pick them up on Long Island you can have em.
 

samson23

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rails

tunaorlater,

very generous offer, but for some reason i thought you were out of gloucester,ma. unfortunately i'm about a 8-9hour round trip otherwise i'd be all over it.

thanks for the offer

mike
 

tunaorlater

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Been awhile since I did an update on this. Decks are in fairing and sanding is going on, the top sides have been repaired where need be. Engine is in and all plumbing is done, shafts have been repacked just need to complete fairing, build some boxes for ventalation and fuel hoses paint and finish console. Hopeing to have it finished by the middle of may. Now that the tank job is done on the NB and thats in the water I can spend more time on this. Sorry forthecrappy cell phone pics.

sisu5.jpg

sisu6.jpg

sisu8.jpg

sisu9.jpg
 

JimRP31

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Tunalator, I am repainting the topsides and replacing the rub rails on my 1981 SISU 22. One area that has come up for discussion is how to attached the new rails. Lowell Bros told me place them 1' below the waterline. I was wondering if you could look at the height of yours. They look to be above the water line; could you let me know how they are attached. I assume through bolted.
 

El Mar

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tunaorlater

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Jk, I believe what you are installing is a lifting rail for stability? The rails on my boat are quater guards (aft) and spray rail(bow). The lifting rails would be below the water line. I decored the holes, bolted the rails on then filled the core holes back in with hull and deck putty then a layer of 1708 on top of that. You need complete access to the bilge to do this job. If you can not thru bolt and decore I would seriously consider not adding the rails. What speed are you looking at with your boat? Mine will be a slw boat to china so I am not very worried about the extra stability the rails might give me.

Elmar, I added the pulpit when I rebuilt the boat but it's been on there since the boat was put back in the water. The red bottom is new this year, stole that from flowers moxie when he originally finished her.
 

JimRP31

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thanks for the reply. I agree thru bolting is the best option. But cutting up my floor which is in good condition seems like a crime. I am going to call Lowell Bros in the morning. The only other option I have thought of was to drill and decore from the outside and then fill the holes with resin, (possibly six10) and then use SS woodscrews. Do you think this might work?
 
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