At my wits end with this one, I seem to be spending my whole life working on my carbs. Had major problems with them popping at idle, so completely stripped them down and cleaned everything, put new carb to manifold gaskets on, rebuilt them and for a week they were bang on, no misses no flat spots no pops, but now they are back with a vengance
Seems to happen all the time set them up and they are fine for a week then all the problems come back!!
Any ideas anyone