I have done it two ways with success. In my 69 383-s, I bought some aluminum fuel line and bent it by hand and routed it along side the original 5/16 fuel line and used heavy duty zip ties to secure it. That was on the car for 20 years.
My latest project, I tried bending the fuel line myself...big mistake. The curves are many and although I tried to mimic the original 5/16, it just didn't come out. I then bought prebent fuel line, stock material, and it fit perfect. I would highly recommend buying it prebent. Rod
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