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2003 Contender 31 Fuel tank replacement

Old 04-03-2019, 10:17 PM
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Default 2003 Contender 31 Fuel tank replacement













Hi everyone, I'm currently doing the fuel tanks on a 31 Contender for a customer. This is my first post as Duvall's Marine, formerly (Captainfatbarn)
Figure I would post on here as I go. Currently I have the boat de rigged, Console removed, and the center compartment bin under the console removed.
Customer wanted more fuel capacity so we are adding a bigger center tank and glassing over the hole in the floor inside the console area. Cut the decks today and popped the center tank out.
There was about 15 gallons of water in the center tank compartment

Last edited by Duvalls Marine; 04-03-2019 at 10:20 PM. Reason: misspelling
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Old 04-05-2019, 06:31 AM
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Good stuff Nate. Looks like you are branching out somewhat.
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Old 04-05-2019, 11:00 AM
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This is great timing!! I’m about to start our 31’ next week. Doing all the work ourselves. I have a great glass guy who’s done many of these. Looking forward to getting it started and done so we can get back to fishing.

1 question, what is the best way to get the console actually removed from the deck? I knows it’s 5200ed plus lots of bolts and screws, but once the bolts/screws are up or cut and 5200 is cut or the bond is broken, is there any fiberglass that also helps to hold console in place?? Such as a lip, arm, bracket, etc? If so, best place to cut it back?
Thanks, looking forward to updates
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Old 04-05-2019, 12:23 PM
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change whatever you can such as fittings to the water tank and anything else since you have the deck open.
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Old 04-05-2019, 03:02 PM
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Originally Posted by alacrity View Post
change whatever you can such as fittings to the water tank and anything else since you have the deck open.
this boat is getting all new thru hulls,
plumbing, and wiring
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Old 04-05-2019, 03:10 PM
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Originally Posted by pooldoo73 View Post
Good stuff Nate. Looks like you are branching out somewhat.
Man Iíve worked on enough of these contenders figured Iíd start helping others too
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Old 04-05-2019, 03:35 PM
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Originally Posted by WestEnd1 View Post
This is great timing!! Iím about to start our 31í next week. Doing all the work ourselves. I have a great glass guy whoís done many of these. Looking forward to getting it started and done so we can get back to fishing.

1 question, what is the best way to get the console actually removed from the deck? I knows itís 5200ed plus lots of bolts and screws, but once the bolts/screws are up or cut and 5200 is cut or the bond is broken, is there any fiberglass that also helps to hold console in place?? Such as a lip, arm, bracket, etc? If so, best place to cut it back?
Thanks, looking forward to updates
"debond"
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Old 04-05-2019, 03:46 PM
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Originally Posted by rbhankins001 View Post
"debond"
this console on this boat hardly had any bonding agent. It was basically being held down with snap toggles only. Iíve dealt with some that were resin bonded and some with 5200 but this one not so much
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Old 04-05-2019, 03:48 PM
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Originally Posted by Duvalls Marine View Post

this console on this boat hardly had any bonding agent. It was basically being held down with snap toggles only. Iíve dealt with some that were resin bonded and some with 5200 but this one not so much
I had a Johnson 150 that was 5200'd to a boat, once I pulled the bolts out hung there for many days (maybe a week)

Then one day it barely started to come loose . . . and that was all she wrote

I could stand on it and jump up and down . . .
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Old 04-07-2019, 06:38 AM
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Where did you get the new tanks from?
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Old 04-07-2019, 03:18 PM
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Originally Posted by rbhankins001 View Post
I had a Johnson 150 that was 5200'd to a boat, once I pulled the bolts out hung there for many days (maybe a week)

Then one day it barely started to come loose . . . and that was all she wrote

I could stand on it and jump up and down . . .
its amazing the 5200 doesnít take the gelcoat with it more often than not
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Old 04-07-2019, 06:25 PM
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Originally Posted by WestEnd1 View Post
Where did you get the new tanks from?
these came from Florida marine tanks. Sunshine has a 4 month wait right now. I typically use a local builder but the customer already had these tanks
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Old 04-09-2019, 08:35 AM
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Good job - how much extra cap are you adding?
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Old 04-09-2019, 09:39 AM
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Originally Posted by kyle_howie View Post


its amazing the 5200 doesn’t take the gelcoat with it more often than not
I have seen some pretty amazing glass damage too!

And for anyone who may be reading this, if you are not familiar with "life seal" you should look into it. 5200 def has its' applications but soooo many people think they need to use it for everything on their boat lol.
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Old 04-09-2019, 10:32 AM
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Originally Posted by rbhankins001 View Post
I have seen some pretty amazing glass damage too!

And for anyone who may be reading this, if you are not familiar with "life seal" you should look into it. 5200 def has its' applications but soooo many people think they need to use it for everything on their boat lol.
I agree!!!
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Old 04-09-2019, 11:20 AM
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Originally Posted by rbhankins001 View Post
I have seen some pretty amazing glass damage too!

And for anyone who may be reading this, if you are not familiar with "life seal" you should look into it. 5200 def has its' applications but soooo many people think they need to use it for everything on their boat lol.
My fav. for a long long time and before that life caulk. Only place on my hull i use 5200 is the intake scoop for raw water, other than that all bedding is life seal. including transducers, especially big ones.
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Old 04-09-2019, 03:17 PM
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Originally Posted by ono loco View Post
Good job - how much extra cap are you adding?
60 Gallons.
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Old 04-09-2019, 07:34 PM
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Default Tanks out. Bulkhead removed in center compartment


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Old 04-09-2019, 07:40 PM
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You can never have enough fuel on the Gulf Coast.

Any chance for a couple measurements for the saddle tanks? Looking for a rough footprint of the area to cut. I’m still a ways away from cutting, maybe a week or two
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Old 04-09-2019, 10:58 PM
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Originally Posted by WestEnd1 View Post
You can never have enough fuel on the Gulf Coast.

Any chance for a couple measurements for the saddle tanks? Looking for a rough footprint of the area to cut. Iím still a ways away from cutting, maybe a week or two
I can get you some but i just pop the inspection plates and use a measuring tape against the stringers and bulks. Thereís plenty of room to get a tape on all four sides
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