Author Topic: GT150 re-rebuild, or ?Take 2?  (Read 5432 times)

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Offline thedeuceman

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GT150 re-rebuild, or ?Take 2?
« on: May 10, 2022, 11:48:37 AM »
And some of you recall the GT 150 ?our first boat? that I rebuilt in 2013 or 2014 and came back to us last year.
This is to be our small boat for this year.
Saturday I dug the transom in the bad part of the stringer out.










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Joe
75 GT150 "SeaDeuced"... Its Back !!
92 16CSS "Attitude Adjustment" is for sale
75 CV-16V8, Project
74 CV-16... its Purple !

Offline 75starflight

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Re: GT150 re-rebuild, or ?Take 2?
« Reply #1 on: May 10, 2022, 01:01:03 PM »
Unfortunately I will be doing the same with v179 and the incomplete CVZ18. I just have to find the time.

Its amazing what we learn from experience over time on how to do things the right way the second time around.  I am starting to believe this is why I completely stopped working on the CVZ several years ago.

I am weighing which way I would like to go composite board or marine grade ply. 
1975 v-179 starflite

Offline Hyperacme

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Re: GT150 re-rebuild, or ?Take 2?
« Reply #2 on: May 10, 2022, 01:56:01 PM »
Composite this time ?
Some cool ideas for seats ...   8)

Offline Plugcheck

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Re: GT150 re-rebuild, or ?Take 2?
« Reply #3 on: May 10, 2022, 02:09:34 PM »
Far worse rot than I'd expect to see in that time frame.    How was it sealed last time around, has me worried that we've been doing it wrong all along?   My CVZ resto was only a few years younger, and the Timing was done the same way.    Thinking a composite build, seacast transom might be the way to go?
Michael
1979 CVZ-18 388 CI Vortec Mouse
1980 CVX-16SS 140 Mercruiser
1979 CVX-16 Johnson 175
2002 Bennington 2275CC 90 Mercury
1985 Intimidator project
1989 Lowe 200 Redneck fishin Toon
2001 Godfrey Sweetwater pontoon 115 Rude

Offline 75starflight

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Re: GT150 re-rebuild, or ?Take 2?
« Reply #4 on: May 10, 2022, 02:19:29 PM »
Far worse rot than I'd expect to see in that time frame.    How was it sealed last time around, has me worried that we've been doing it wrong all along?   My CVZ resto was only a few years younger, and the Timing was done the same way.    Thinking a composite build, seacast transom might be the way to go?

Mike,

I believe that Joe and I both used a simple cabinet grade plywood on our builds at the time. Joe did the gt150 the year before I did my v179 and I pretty much followed his build on which materials I used. If my memory serves me correct.
1975 v-179 starflite

Offline Plugcheck

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Re: GT150 re-rebuild, or ?Take 2?
« Reply #5 on: May 10, 2022, 02:24:45 PM »
That's what scares me most Brandon, my Z and Timi are both done that way.
Michael
1979 CVZ-18 388 CI Vortec Mouse
1980 CVX-16SS 140 Mercruiser
1979 CVX-16 Johnson 175
2002 Bennington 2275CC 90 Mercury
1985 Intimidator project
1989 Lowe 200 Redneck fishin Toon
2001 Godfrey Sweetwater pontoon 115 Rude

Offline 75starflight

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Re: GT150 re-rebuild, or ?Take 2?
« Reply #6 on: May 10, 2022, 02:33:51 PM »
I have not had a chance to check the transom on the v179 but I can visually see the water wicking up the transom I put in the CVZ18 that is sealed in fiberglass and resin and no key hole cut but the drain drilled out and sealed with resin.

I can say that Marine Grade Ply is now available at most Menards here in Nebraska. The one in Grand Island carries it.

And the cost is pretty much the same as cabinet grade ply.
« Last Edit: May 10, 2022, 02:48:13 PM by 75starflight »
1975 v-179 starflite

Offline thedeuceman

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Re: GT150 re-rebuild, or ?Take 2?
« Reply #7 on: May 10, 2022, 06:06:31 PM »
It will be mix and match ?
Pouring the transom and gussets with arjay 6011, rear half of the stringer will prob be marine ply between 1/2 Composit. Floor will be marine ply. It?s not going to get paint, at least not at this time.


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Joe
75 GT150 "SeaDeuced"... Its Back !!
92 16CSS "Attitude Adjustment" is for sale
75 CV-16V8, Project
74 CV-16... its Purple !

Offline thedeuceman

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Re: GT150 re-rebuild, or ?Take 2?
« Reply #8 on: May 13, 2022, 08:11:47 AM »
Well I guess I?m committed, I just ordered 8 gallons of arjay 6011 from true Composits. That will be enough to pour the transom three gussets and the stringer as far forward as I cut it out.
I will use 2, 8 foot pieces of 1/2 inch composite, sistered to the old stringer and creating the form for the poured part. Hopefully I will get to grinding and building some forms next week.


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Joe
75 GT150 "SeaDeuced"... Its Back !!
92 16CSS "Attitude Adjustment" is for sale
75 CV-16V8, Project
74 CV-16... its Purple !

Offline 75starflight

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Re: GT150 re-rebuild, or ?Take 2?
« Reply #9 on: May 13, 2022, 10:26:29 AM »
Well I guess I?m committed, I just ordered 8 gallons of arjay 6011 from true Composits. That will be enough to pour the transom three gussets and the stringer as far forward as I cut it out.
I will use 2, 8 foot pieces of 1/2 inch composite, sistered to the old stringer and creating the form for the poured part. Hopefully I will get to grinding and building some forms next week.


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Joe, I am curious on what your process will be for making the form for the transom pour? 
1975 v-179 starflite

Offline thedeuceman

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Re: GT150 re-rebuild, or ?Take 2?
« Reply #10 on: May 13, 2022, 10:40:36 AM »
I plan to roll out a chunk of biax on a table probably on a sheet of poly and just wet it out, so I will end up with a reasonably flat piece. Figure I can cut it to shape with a scissors or a tin snips and then I?ll just tab it in just like a normal stringer or a transom. I?m planning to put sleeves in for motor bolts and drain tubes ahead of time so the ceramic transom material will form around them, and that will also help hold the two sides of the form so it doesn?t bulge out.
This plan may change as I get into it, but I will try and Capture the process. Doug?s friend Ron did this on his CV 16, I believe Doug?s metric is the same but there?s not too much documentation on the process.


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Joe
75 GT150 "SeaDeuced"... Its Back !!
92 16CSS "Attitude Adjustment" is for sale
75 CV-16V8, Project
74 CV-16... its Purple !

Offline 75starflight

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Re: GT150 re-rebuild, or ?Take 2?
« Reply #11 on: May 13, 2022, 12:30:03 PM »
I plan to roll out a chunk of biax on a table probably on a sheet of poly and just wet it out, so I will end up with a reasonably flat piece. Figure I can cut it to shape with a scissors or a tin snips and then I?ll just tab it in just like a normal stringer or a transom. I?m planning to put sleeves in for motor bolts and drain tubes ahead of time so the ceramic transom material will form around them, and that will also help hold the two sides of the form so it doesn?t bulge out.
This plan may change as I get into it, but I will try and Capture the process. Doug?s friend Ron did this on his CV 16, I believe Doug?s metric is the same but there?s not too much documentation on the process.


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I was wondering how they did those boats like they did. That may be the way I go for both of mine. Just have to figure out the keyhole.
1975 v-179 starflite

Offline dorelse

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Re: GT150 re-rebuild, or ?Take 2?
« Reply #12 on: May 13, 2022, 03:58:26 PM »
I was wondering how they did those boats like they did. That may be the way I go for both of mine. Just have to figure out the keyhole.

The keyhole is pretty easy to plug up, line it with wax paper, milk jug will squeeze into the bottom, then a 5 gallon pail, or more milk jugs & pop bottles, etc...once it all hardens up, you can easily smooth out any rough spots.  Its thick stuff so its not going to just pour out any minor holes.
1990 Sierra 1700

Offline thedeuceman

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Re: GT150 re-rebuild, or ?Take 2?
« Reply #13 on: January 21, 2023, 01:43:12 PM »
Finally back at it



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Joe
75 GT150 "SeaDeuced"... Its Back !!
92 16CSS "Attitude Adjustment" is for sale
75 CV-16V8, Project
74 CV-16... its Purple !

Offline Plugcheck

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Re: GT150 re-rebuild, or ?Take 2?
« Reply #14 on: January 21, 2023, 10:52:37 PM »
Good to see it back in the shop.    Will you pull it off the trailer to give yourself a bit more room?    Didn't seem that long ago Barb christened "Sea dueced"
Michael
1979 CVZ-18 388 CI Vortec Mouse
1980 CVX-16SS 140 Mercruiser
1979 CVX-16 Johnson 175
2002 Bennington 2275CC 90 Mercury
1985 Intimidator project
1989 Lowe 200 Redneck fishin Toon
2001 Godfrey Sweetwater pontoon 115 Rude

Offline Mrs.TheDeuceMan

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Re: GT150 re-rebuild, or ?Take 2?
« Reply #15 on: January 26, 2023, 10:09:44 PM »

Time for a new grinder!


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1990 Glastron Futura V249

Offline 75starflight

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Re: GT150 re-rebuild, or ?Take 2?
« Reply #16 on: February 01, 2023, 04:43:42 PM »
looks about like the same generation as mine! But, mine hasn't done as much grinding as yours has.
1975 v-179 starflite

Offline thedeuceman

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GT150 re-rebuild, or ?Take 2?
« Reply #17 on: February 04, 2023, 07:53:22 AM »
So anyways, that picture was taken on Laurie?s way to Home Depot to get a new grinder, she picked the heavy duty, Milwaukee model that thing just tears it up. Spent the rest of Thursday night and all day Saturday grinding and got that all cleaned up.


Sunday after checking the damage to the boats in the collapsed building, Jeff helped me pattern and cut everything required to pour the stringer and the transom. I was planning on using some leftover composite material for the front portion of the center stringer, but Jeff convinced me to just use that for all of the forms so everything?s gonna be pretty heavy duty when it?s done.
My original plan was to lay up sheets of biax on a table and cut them and fit them in for the Forms to pour the transom and gussets, as Jeff pointed out it was a lot easier to just cut this composite material and I had it sitting there.

Tapatalk is not letting me load all my pictures but you get the idea.
The garage is heating up right now and we?re going to cook up some resin today.

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« Last Edit: February 04, 2023, 07:58:03 AM by thedeuceman »
Joe
75 GT150 "SeaDeuced"... Its Back !!
92 16CSS "Attitude Adjustment" is for sale
75 CV-16V8, Project
74 CV-16... its Purple !

Offline thedeuceman

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Re: GT150 re-rebuild, or ?Take 2?
« Reply #18 on: February 04, 2023, 09:42:25 AM »
Had to repair these two spots before pouring the transom

I made some 1 1/2? spacers out of 1/2? ID carbon fiber tube to hold the form in place, and they will also form the penetrations in the transom for the bolts
I used a piece of PVC pipe for the splash well drain.




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Joe
75 GT150 "SeaDeuced"... Its Back !!
92 16CSS "Attitude Adjustment" is for sale
75 CV-16V8, Project
74 CV-16... its Purple !

Offline thedeuceman

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GT150 re-rebuild, or ?Take 2?
« Reply #19 on: February 04, 2023, 06:42:04 PM »
Jeff came over today,
Stringers are glued and tabs in .
All of the glass work under the floor is done in epoxy just because I had a lot of it I needed to use up left over from the V249.
Then we tabbed in the splash, well transom and gussets with regular poly resin.
And we poured the stringer with arjay 6011.



Tomorrow we will pour the transom and gussets

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« Last Edit: February 05, 2023, 07:35:52 AM by thedeuceman »
Joe
75 GT150 "SeaDeuced"... Its Back !!
92 16CSS "Attitude Adjustment" is for sale
75 CV-16V8, Project
74 CV-16... its Purple !