It's impossible for me to...speculate. Your brand of tubing vs what I find locally. I couldn't even tell you the specifics about who makes mine or exactly what size it is. A trial run or two on the ground to witness the engine happily drink from the bladder without any intervention during the run is as close as you can get to simulating the real thing. Problem is, you can't simulate that first big gulp of air and the unloading.
I am happy to put 3/4 oz in a 1/8" I.D. bladder and try to find a rich enough setting. All of my 1/2 A videos are based on 3/4 oz loads of fuel and most of those runs are about 90 seconds or so.