It late sun setting so I took it apart to get another pressure test last one worked and so did saw. I took carb off and had my piston all the way up and I could see the connecting rod through the manifold.
It is covered in gray gunk, thick mud. I doubt the impulse could work. Looks like a cave a mile under earth. I have never seen anything like it. Wish I had a hole camera. That has to be the problem. I wonder if that's really bad fuel. Like Sandy mucous
I use av100. It's had 2-3 tanks in it
http://thechainsawkitguy.com Kit info