Just throwin out a suggestion/opinion 87sheerips. Nothing wrong with a pulse weld, I actually prefer it on swingarms for several reasons. im sure its strong! And it looks just fine to, but theres always room for critique.
10 years ago i bought sb shearers and threw them on my 350. it ran good but not great. Then come to find out they were big bores the whole time. So i bought sb shearers then and it felt way stronger with way more roll on power. moral of the story. get sb's
Sometimes you have to just look at the shifting mechanism and trans and shift it and spin it.. to see what it is doin and needs to do. To learn and see what to fix. best way to figure it out. it coukd be almost anything. Is the drum and star slot tight? where the star goes on with that "D" area?