Quote:

It crossed my mind to try a smaller carb....

What about the AED ???
You have one ?

Dan


All kinds of guess work here
Trans could be bad , vert could be a issue
Or both
Fuel delievery ie pump n line restrictions bad regulator.
Jetting a carb is done by heat , or the lack of heat
Timing plays a huge part as well .
With limited info, hard to say whats going on here