Toughest project I have ever tackled. When I look at really good welds I'm in AWE!
I did have good penetration even though the welds where built up.
I had real problems, I could not keep the joints tight enough to fusion weld, only about 40% of it could have been fusion welded, and I suck at feeding rod, and to fill the gaps It was easier for me to overfill then push the over filled puddle forward, otherwise I kept burning through. Im much better now than I was when I started that project. Needed to add more heat and move faster with less filler, still not there but better.
I almost want to get another cone kit and weld it up for fun.
I convinced I would have to weld at least a year full time 40+ hours a week under a good welder before I would be close to as as good as a lot of folks who post here.
All in all it turned out good for a guy who bought a TIG machine less than a year before this project and learned to weld off you tube
They are great pipes made a huge difference in performance from the Spec II's I was running.
They made 33 more rwhp @ 5000 rpm, averaged about a 15 rwhp gain from 4000 rpm to 8000 rpm and gained 8 rwhp on top, and have more power below 3000 rpm too!