You waste no time!  Glad to see your enthusiasm to get this stuff done, hope you don't get burnt out on it cause you have a solid boat.  These few modifications are going to pay off in the long run, then all you need is to tune that engine.  How did that multi-tool work on the tank removal?  Seems to have left not much of a mess.  What's the plan for the tank install, will you have it tabbed or just glass them in around the edges?

You waste no time!  Glad to see your enthusiasm to get this stuff done, hope you don't get burnt out on it cause you have a solid boat.  These few modifications are going to pay off in the long run, then all you need is to tune that engine.  How did that multi-tool work on the tank removal?  Seems to have left not much of a mess.  What's the plan for the tank install, will you have it tabbed or just glass them in around the edges?

Haha ya man im still on the high from buyin in so im trying to keep my momemtun going. Ya dude the multitool worked perfect. Wanted somethin with the least chance of sparking. And ya not much of a mess. And im just gunna glass over tabs like you did. Keep it simple

Planning on glassing the tanks in using tabs like the pics shows. Also a tab on either side vertically. Anyone see a problem with that? My cousin thinks flex is gunna cause shit to crack but ive seen a few boats done like this. I dont see a problem.


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That's pretty much the concept I used on mine.  I had 2"x2" angle aluminum the was cut into about 6" lengths, then had them welded in the same locations as you show in your pics.  My whole idea was to secure the tanks in the same location as the original.  Another way would be to use pieces of wood to create bulkheads to sandwich the tanks in front and back, then tab then into the floor with glass.  I don't think you will have any issues doing it the same as mine, these hulls don't flex and twist like some of the lighter ones.

Ya im goin for it. Droppin em off at my welding buddies shop today. Whats a good way to clean these out and then make sure i get everything out of them?

I have a large supply of stainless hardware that I dumped in my tanks along with some simple green and water.  I drove to work with them in the bed of my truck for a couple of weeks, changing the water every couple of days and rinsing them out.  I drive Santiago Canyon everyday so it gets to sloshing real quick!

Good idea. I can get all the stainless hardware I want from work ill give it a try. I also heard diesel fuel works too?

Also when u were fleshing up tho tanks did you change out the fuel pick ups at all? The ones on these were a joke and only 5/16. I'd like to swap out to 3/8. Can I just use regular fuel line? Just worried about it breaking down constantly soaking in gas.

Good idea. I can get all the stainless hardware I want from work ill give it a try. I also heard diesel fuel works too?

Also when u were fleshing up tho tanks did you change out the fuel pick ups at all? The ones on these were a joke and only 5/16. I'd like to swap out to 3/8. Can I just use regular fuel line? Just worried about it breaking down constantly soaking in gas.

For the fuel pickup you will need to have a new tube welded into the tanks.  For marine fuel tanks the pickup is drawn up a tube and out through the top of the tank for safety purposes.  You will need to have the tubes removed and larger one welded in if you think fuel volume will be an issue.  I'm not sure what size mine were but they are probably similar to what you have.  As for fuel lines coming from the tanks, I have all -6AN hardware(3/8") and hose all the way to the carb.  You can even go to -8 to the pump and -6 to the carb depending on the pump you are running and fuel volume needed for that setup, I'm sure someone on here can chime in with their setup as well. -6AN at a minimum though.

Called
Imco they were no help at at all. Tim at TMR didnt know what to tell me. Im baffled.

you are not going to be able to find this part on a shelf.  jet boat pickup tubes are a custom piece. 

my imco tanks have pickups similar to this and i have -8 hose all the way to the carb bowls for fuel delivery:



they need to be welded all the way around and the weld needs to be solid so it doesnt suck air bubbles thru a little pinhole.

u can use the plastic pickup tube but theres a potential for the screen to be clogged and also for air leaks if the tubing itself is cracked, or where its smushed onto that fitting, and then theres another possible leak at the female opening of that fitting itself too.

ie:

So ka0tyk has a good idea here.  If you have not installed the tanks yet(fingers crossed) maybe you drill out the old pick up and weld in bungs to accept a pipe fitting with tube welded to it.  You can even plug the original pickup location and have a bung welded in the same general area to install the same pipe fitting/pickup tube. This is something I look back and wish I had done on mine before I did the install.


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Well right now i can match the size of the stock pickups using a stainless nipple with a 1/2to3/8 reducer. The old tanks seemed to work for the last 39 years. But i also thought about drilling the bungs out and threading them to 5/8 and using 1/2" parts. Where would i find the aluminum tube thing your talking about? Im really baffles about what to do. Dont want to have to pull them out after i glass them in but also feel like going bigger than the stock pickups would just be overkill

So as far as materials use brass fittings and a copper pick up tube?

That's what I had in my tanks , I broke the top elbow , it looks like I called the same companies you have with no luck order a couple of the plastic ones , nothing I was comfortable with , stopped by the plumbing shop and they hooked me up , I've had no problems since !!


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Yep , just a regular retail  plumbing shop


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