dirty carb?

WEll, if its similar, I got the solution today. the carb was loose on its intake! Somehow the carb nuts backed off about a full turn each, and the carb was literally rocking on the intake. I found it out when I took the air cleaner off looking for vacuum lines to test. SOB was loose for a week of down time and all it took was for me to tighten the freaking nuts! My symptoms were breaking up randomly (perfect description) at speed but mostly on deceleration and then acceleration again, and also coming back down to idle, it would just keep going down until it died, blipping would keep it alive. I found another vacuum leak down there so it wasnt a totally misdiagnoses, well the last leanout theory anyway. Check for loose carb,intake or gaskets. I was convinced it was ignition so much as to buy mail order new electronics for my stock distributor. Missed that one completely.