Thanks, the military aircraft world instills cleanliness. I did my own fab work. I couldn’t weld, either. So I took some classes with the GI Bill and got an associates in welding and multiple certificates as well. The radiator reservoir, the fan shroud, the alternator bracket, and the windshield washer tank were graded projects. Welded the exhaust all up with an old scratch-start tig at home - gave me hell but it worked out well. Wasted a lot of argon with the pipe purging and all. All stainless. Would have went mild steel but the weight was a concern with iron heads and all. I would have inconel headers but didn’t have enough scrap in the right size, plus there is no such thing as an inconel header flange.