Thank you folks for throwing out some ideas.
It is a piston port model. The skirts and pins are exactly the same as the old ones, and the ports look to be the same, but I will verify that. Good ideas.
The exhaust is wide open and not even connected to the waterbox right now. It has a good aftermarket exhaust that I have checked thoroughly, no rats nest, squirrels, walnuts...nothing and it is disconnected right now from everything.
It does not even always start sometimes it will crank and pop like it wants to start, but just not quite do it.
I have been messing with it for weeks now.
Timing is something I will mess with again, but I have tried it an many incriments with no real changes.
it is easier to ask for forgiveness than permission