an old friend of mine has a dealer business for steel, stainless. He is having the flanges etc. made up and I'll take over from there. From what he told me, the flange material is 3/8's material and the pipe material is 14 gauge. If all ends up to be a ball of molten crap when done then atleast I can say I tried to do it myself. Then I'll have him build them. He offered to but I like trying new things and that's why I'm building this car. The challenge is addicting.
Wish me luck, I'll need it.