The rough idle is still up in the air.
It's my understanding that these carbs to not have a port to hook up a sync tool? I simply did a "bench sync".I did replace the plugs with the NGK plugs, but as I mentioned, I did it by eye, as my buddy as kidnapped my gapping tool.If I had to make a snap judgement, I think it's because the thermostats. There is are many write ups stating that "Cold Seize" is a possibility. The pistons are warming up before the block does, right? This causes a rough running condition from what I understand.