"the symptoms I started with,
"the symptoms I started with, like you engines don't follow.
The chase and the fix.
The bad gas, get it out.
Fuel filters full of cra_. Sub in a large volume filter before engine filters.check and replace in-line filters as required.
Pull the carbs and have them remanufactured.
The total of the problems and the fixes.
every fix helped to some degree. I replaced the plugs several times for fouling and the plug wires after I got tired of replacing the plugs.
I will have the carbs back in a few days, and hope to be able to balance the drives under load.
will post again when I have the carbs installed"