You can use brake lines they come in several diameters and it is mor forgiving than the hard steel.
Just make sure you have a flexible fuel hose from where the hard line leaves the frame to where it hooks to the fuel-pump.It needs to be flexible so it does not break when the engine torques/twists.
There is enough good in the worst of us and enough bad in the best of us that it does not behoove any of us to criticize the rest of us.
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Be yourself. If you are ever lost, It will be much easier to find yourself if you know who you are!
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