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.

best of 11.24 at 119 mph 1.60 60’. 68 340 S Barracuda Fastback F.A.S.T [IMG]http://i67.tinypic.com/2mnnnnt.jpg[/IMG]