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Old 08-06-2013, 11:35 PM   #1
rcpilot_971
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Default fuel line size for a dle 55

How Big should the fuel line be in side the fuel tank for a dle 55 or does it matter if you use big or medium


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Old 08-07-2013, 12:54 AM   #2
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Doesn't matter as long as it fits securely.
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Old 08-08-2013, 11:36 AM   #3
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If Tygon type tubing, it will need some kind of clamp on the ends. Exposure to gasoline makes the tube swell up and get loose. You can buy special nylon hose clamps, or use doubled up small zip ties, offsetting the pinch point in the zip tie. Smaller zip ties have smaller pinch points, so use the smallest you can find.
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Old 08-08-2013, 11:47 AM   #4
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You can also use brass, solder on fuel barbs for setups that can utilize them. Dubro makes them if I recall and come in several sizes. Those combined with a zip tie=damn near bullet proof.
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Old 08-08-2013, 01:15 PM   #5
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I'm thinking that the OP wanted to know if he needed to go to a large diameter tubing due to the engine size.

Obviously, mechanical fit is critical.

To the OP, medium tubing will be more than adequate for your engine.


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Old 08-08-2013, 01:41 PM   #6
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Ok thanks Guys
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Old 08-08-2013, 01:56 PM   #7
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I prefer 3/32 just because it fits tight and is less likely to develope an air leak. Usually have to heat it up with a hot air gun to get it over the nipple.
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Old 08-08-2013, 02:26 PM   #8
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Quote: Originally Posted by Cerus98
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You can also use brass, solder on fuel barbs for setups that can utilize them. Dubro makes them if I recall and come in several sizes. Those combined with a zip tie=damn near bullet proof.
+1 on that , solder barbs are mandatory on my gassers
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Old 08-08-2013, 02:52 PM   #9
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I use 5/32" brass tubes with 5/32" solder on barbs and 1/8" ID Tygon for fuel tubing from the tank to engine, etc. Inside the tank I use 1/8" ID Viton tubing, stays flexible and lasts for years..
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