With the intake manifold completed it was time to bend up some intake pipes. I had some 8mm O.D.x.8mm wall stainless pipe already so I prepared to bend it up. I'll say now that .5mm wall would be better but I didn't have any. The .8mm wrinkled just a little on the insides of the tighter bends. Not a functional problem but I was going for perfection. Now, let's visit tube bending ABC's:
The first thing I do is heat the entire pipe to a dull red and let cool slowly. Then: I fill the pipe with low melt temperature bismuth metal (Cerobend). This step cannot be skipped or you will surely collapse your tubes. I made my own tubing bender long ago. I just need to make some 8mm particular parts for it:
Last edited by mitchilito; 03-10-2022 at 05:59 AM.