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I use the 3/16 inch clamps on the reserve line - cut the tabs off after connecting the hose to the fitting and moving the clamp up to secure - seat the bushing in the tank push everything down snug then drive it home with a BIG HAMMER the hose clamp will go through the bushing even without grease.



I've had good luck reusing the clamp type from John Deere for the rest of them.
 

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Nothing wrong with spring clamps as long as they are the right size for the hose. And not all 1/4" id line has the same od.

I would replace the clamps. I have had some break over the years when removing which tells me they tend to take a set over time.

Fuel line should say SAE 30R7 (30R9 is fuel injection hose and works too but costs more)
 

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Hello Chad
I Much prefer the worm gear style clamp's on any fuel line. I have found the squeeze style clamp's to get weak or break over time and I have never seen a worm gear clamp ever fail over time. I always go with a Tight fitting worm gear clamp so that there is not much access clamp material extending out of the work gear section of the clamp when it is tightened down well. I hope this help's, Kurt
 

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Outboard motors use "snapper clamps" on fuel lines. They work well - as secure as a worm clamp, and the convenience of a squeeze clamp. They're thinner than a conventional hose clamp, so you can use two together if you like. I would recommend them for Deere use.

Amazon has a selection, as do marine supply houses.

OMC outboards also used to use a specialized, curved zip tie, specially made for fuel lines. They work well too but are harder to find.

Tim
 

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Problem is on the stainless steel worm gear clamps is over a period of time they tend to loosen a bit. I use them all the time but if in an area that gets hot and cools down you might want to check. At least once anyway.

I think the only reason they use the spring clamps as they are cheap and easy to put on during the production line process. I find the large ones like on radiator connections are hard to get on or off.
 

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I would first go with an all metal fuel line clamp. Next choice would be a steel pinch clamp. Last choice would be a worm gear clamp.

That said, I have worm gear clamps on a bunch of fuel line since I never seem to have the right size of the othe two on hand and don't feel like running to the parts house. As Bill points out, worth checking them from time to time since they loosen and the bite they get in the hose doesn't allow for a uniform clamp in the first place.
 

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There are "constant tension" worm gear clamps available in various sizes), as well as t-bolt clamps that do not loosen up (the tension nut is spring loaded). They may not go small enough for these fuel lines, but they will work great on intake hoses, coolant hoses, etc.
 

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If you look up chemical resistance of tubing materials, you will see that Viton has the best resistance to gasoline.

Son used Oetiker clamps on his jet ski. Lots of plumbing on those things. Made a neat permanent leak free connection. He (well, actually I did, for X-mas) bought the bands and installing/removing tool from Summit Racing.
 
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