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1979 25í whitewater rebuild

Old 03-27-2020, 07:54 AM
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Default 1979 25í whitewater rebuild

So I somehow ended up buying a 1979 25í whitewater inboard boat. Iím planing on doing a new floor and customized cap. New console and leaning post. A bracket with twin 200ís and new paint inside and out. Iím new to this boat building. But Iím familiar with fiberglassing. So any help yíall can give is appreciated
Old 03-27-2020, 07:57 AM
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You're new to boat building? And you started with this project?

You might consider starting on something a little smaller and less involved and intimidating. What you currently are proposing is no small-scale project and will likely take a skilled and experienced person 1-2 years to complete working on it part time.
Old 03-27-2020, 08:00 AM
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Originally Posted by chrisrack View Post
You're new to boat building? And you started with this project?

You might consider starting on something a little smaller and less involved and intimidating. What you currently are proposing is no small-scale project and will likely take a skilled and experienced person 1-2 years to complete working on it part time.
i work on it like 20 hours a week. Iím a deputy so with working 12 hour shifts I usually have 3 or 4 days off a week
and Iím not totally new. Iíve rebuilt a fiberglass airboat and put a new floor in a ski boat many years back. Plus I have plenty of friends in the business to assist along the way. Iím hoping it will take me less then a year
Old 03-27-2020, 08:04 AM
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There is a lot of wood in that boat. Be prepared for lot of extra surprises such as stringer rot, transom rot, etc..

Last edited by Troutman561; 03-31-2020 at 12:31 PM.
Old 03-27-2020, 09:09 AM
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There is a gentleman on this site that also did a re-make of an older 25 Whitewater, as well. He was VERY happy with the result. Those hulls are some of the finest, best laid out and most seaworthy in that size range.

In my opinion, anyone who saves an old classic from the dump deserves special appreciation. I'm not a big fan of the green agenda, but such projects are truly recycling making a tangible difference.
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Old 03-28-2020, 12:02 PM
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Originally Posted by Troutman561 View Post
There is a lot of wood in that boat. Be prepared for lot of extra surprises such as string rot, transom rot, etc..
so far floors only had one soft spot but replacing them all anyways with composite. The cap is solid and so are the stringers and the transom. I might add a layer of composite to the transom just to reinforce it for the bracket
Old 03-28-2020, 12:03 PM
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Originally Posted by BigBone View Post
There is a gentleman on this site that also did a re-make of an older 25 Whitewater, as well. He was VERY happy with the result. Those hulls are some of the finest, best laid out and most seaworthy in that size range.

In my opinion, anyone who saves an old classic from the dump deserves special appreciation. I'm not a big fan of the green agenda, but such projects are truly recycling making a tangible difference.
thanks for the encouragement. Itís a large task. But the rewards of driving a boat I rebuilt will be worth it in the end.
Old 03-28-2020, 12:06 PM
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Iím trying to post some pictures. But since Iím new it wonít let me.
Old 03-29-2020, 12:27 PM
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Here are some pictures of my progress so far. Let me know if you have any recommendations









Boat has five fuel tanks
Old 03-29-2020, 03:40 PM
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Can anyone advise how to remove the prop shaft from the transmission? Also how do I remove the bracket on the bottom on the boat that holds the prop shaft. All attach picture in a bit.



Old 03-30-2020, 01:52 AM
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I removed the bolts that hold the shaft bracket to the bottom of the hull but the bracket wonít come loose. Guessing maybe itís sealed to the bottom of the hull?
Old 03-30-2020, 04:07 AM
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probably has 5200 as a sealant. Get some strong mono or braid and use like a string saw to cut between the hull and bracket. I would tie ends to a pipe or wrench for force. Also ther is a product called Debond that works to free 5200 and other marine sealants. This is how I removed my through hulls. Good Luck.
Old 03-30-2020, 04:37 AM
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Just in case you haven't seen it here is a link to my thread ( 25 sea vee deisel to outboard/s)so you can see what your in for, pretty much the same hull and same goal in mind. If the stringers are original ,and it appears they are, I will be shocked if they are solid especially around the fuel fill lines. Good luck with the project and one piece of advice is to set a goal and then expect it to take 4 times longer than what you think it will. It is a perfect foundation for a dream boat if your determination doesn't run out before it is done.

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Old 03-30-2020, 04:57 AM
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Honestly, if you are already replacing the floor with composite Might as well do the stringers and transom while you have it up. When is the next time the floor would be out?? Would give me peace of mind not having to wonder about them.

Unless they are in flawless shape obviously.

I thought my cap was in great shape too until I flipped it over. All the core around the rod-holders and such was rotted.

Cool project.
Old 03-30-2020, 04:59 AM
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Originally Posted by fish772 View Post
Just in case you haven't seen it here is a link to my thread ( 25 sea vee deisel to outboard/s)so you can see what your in for, pretty much the same hull and same goal in mind. If the stringers are original ,and it appears they are, I will be shocked if they are solid especially around the fuel fill lines. Good luck with the project and one piece of advice is to set a goal and then expect it to take 4 times longer than what you think it will. It is a perfect foundation for a dream boat if your determination doesn't run out before it is done.
thank you. Do you know how to remove the rudder and the prop shaft?
Old 03-30-2020, 05:03 AM
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A lot of boats would not be worth the effort you are going to put into this build but this hull definitely is! I imagine the running gear and thru hulls will fight to the end but you will get through it. You are off to a great start, keep your focus on derigging till its done. jumping around will take twice as long. Best of luck and I will be watching the whole process.
Old 03-30-2020, 05:10 AM
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Originally Posted by Triggered View Post
thank you. Do you know how to remove the rudder and the prop shaft?
My shaft hardware was not to tough but the bracket that the rudder shaft goes through was incredibly hard, I almost cut it out but then it finally started to move. I used 5200 remover a couple times but not sure it did much, I tried using a wedge and sledge hammer, it finally came out when I used a floor jack under the boat with a pipe up to the shaft bracket and jacked it up till it came out but it did lift up the boat first.
Old 03-30-2020, 01:16 PM
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Originally Posted by fish772 View Post
My shaft hardware was not to tough but the bracket that the rudder shaft goes through was incredibly hard, I almost cut it out but then it finally started to move. I used 5200 remover a couple times but not sure it did much, I tried using a wedge and sledge hammer, it finally came out when I used a floor jack under the boat with a pipe up to the shaft bracket and jacked it up till it came out but it did lift up the boat first.
thanks. Iím going to try to mess with it more tonight.
Old 03-31-2020, 12:25 PM
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so I got the bracket that holds the prop shaft to the hull off the hull, but still canít remove the shaft from the transmission/motor. Is there a trick to disassembling this?
Old 03-31-2020, 12:33 PM
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Why not just cut it?
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