Originally Posted by FurryStump
What I do is get a rubber cap for both ends of the tube. Fill it with water and freeze it overnight. Then bend it as you want. The water acts as a mandrel.

HMM, I've heard of using sand in exhaust tubing to prevent it from collapsing but not a good ised on small tubinf for furel / brake lines etc.
Wonder if something like baking soda or other rinseable material would work ? shruggy

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