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Broken leaf spring

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Old Aug 17, 2024 | 09:55 AM
  #16  
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Thanks! I got it off and did the hutch and harpoon mods this morning. Someone beat me to those filters though… they were gutted out of the mixing chamber. The foot umbrella was still in one piece too. Someone’s been into it at some point.




 
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Old Aug 17, 2024 | 10:32 AM
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Huge thanks to @SkySkiJason for doing the write up in the tech folder. Straight forward instructions made it easy peasy.

My tank is full of fuel so I’m glad I didn’t drop the tank. When this is over I think I’ll be glad I pulled the bed off as the leaf springs will be easier to get to as well.

 
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Old Aug 17, 2024 | 11:30 PM
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Be sure to triple check those tube unions. The ss tube Ford used is some heavy wall stuff. I couldn't get the brass unions, from my local hardware store, to squeeze the furrels on. I stripped 2 unions before I gave up and found some ss unions instead.
 
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Old Aug 18, 2024 | 09:00 AM
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Thanks for the heads up. I gave it a real good tug/twist test afterwards and it passed so hopefully it’s good to go.



 
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Old Aug 18, 2024 | 09:06 AM
  #20  
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Originally Posted by udsuth78
Be sure to triple check those tube unions. The ss tube Ford used is some heavy wall stuff. I couldn't get the brass unions, from my local hardware store, to squeeze the furrels on. I stripped 2 unions before I gave up and found some ss unions instead.
To add to this, brass/copper also has a less than desirable reaction with diesel fuel.
https://westcoastcollaborative.org/f...-factsheet.pdf

Personally, I avoid compression fittings because of their reliance on ferrule deformation to create the seal.
 
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Old Aug 18, 2024 | 09:25 AM
  #21  
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Well crap shoot dang!…. Should I pull it now and replace with stainless? Now’s the time to do it. Something better out there?

Thanks again fellas

Edit: Don’t want to do this job twice that’s for sure haha
 
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Old Aug 18, 2024 | 09:39 AM
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Originally Posted by Rot Box 2
Something better out there?
I like AN/JIC fittings.
 
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Old Aug 18, 2024 | 09:49 AM
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I do too. I am confused on how I’d go about doing that with this setup?

Sorry to sound dumb—coffee should have kicked in by now I’ve been up for hours haha.
 
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Old Aug 18, 2024 | 10:42 AM
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You would have to buy an expensive flaring tool and also would require sourcing the tube nuts and sleeves plus the braze on male fitting. When I bought the 37 degree flaring tool roughly 5 years ago I want to say it was around $180-200. Sure is a sweet flaring tool though. Oh hell they're $140 now, buy buy buy!!!

https://www.homedepot.com/p/RIDGID-3...B&gclsrc=aw.ds
 
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Old Aug 18, 2024 | 10:51 AM
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With the steel tubes in the fuel pickup being so thick-walled and hard, it is not possible to flare the tube ends in the conventional manner. I used Aeroquip Versil-Flare to create AN/JIC flares in the ends of the tubes. Versil-Flares are usually swaged into the ends of tubes but I opted to silver solder them on there for added vibration resistance. You will need one FCM2497 and one FCM2492 for each tube end.

 
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Old Aug 18, 2024 | 01:52 PM
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The tool linked above will and did flare the factory tubing. When I moved my fuel pump inside the tank everything got reworked and converted to JIC. Just lube it and go slow. (Wait for it...)
 
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Old Aug 18, 2024 | 02:02 PM
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Plus how are those different than a standard tube union in how they seal to the tube itself? You're still relying on a compression ferrule aren't you? The only thing I see different is the price and it puts a JIC in between the two compression connections. Doesn't that add a fair bit to the overall length of the connection as well as an additional potential leak point?
 
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Old Aug 18, 2024 | 02:04 PM
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I see that makes sense now. Thanks again you guys.
 
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Old Aug 18, 2024 | 04:44 PM
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Originally Posted by udsuth78
Plus how are those different than a standard tube union in how they seal to the tube itself? You're still relying on a compression ferrule aren't you? The only thing I see different is the price and it puts a JIC in between the two compression connections. Doesn't that add a fair bit to the overall length of the connection as well as an additional potential leak point?
That’s why I silver soldered them. It’s good that the flare tool you got can do it. My Weatherhead tool couldn’t grip the tube hard enough and simply pushed the tube out of the flaring tool. Also, AN/JIC seals on the flare while compression seals on the ferrule but you’re right that Versil-Flare in standard usage is also a compression seal.
 
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Old Aug 18, 2024 | 04:48 PM
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Originally Posted by udsuth78
Just lube it and go slow. (Wait for it...)
Gee. What on Earth could you be waiting for?
 
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