To some extant, bigger coil will give you more flavor, because more
juice is being vaporized. A good example; 28g wire 5 wraps vs 24g wire 7 wraps. But at some point, going with even bigger coil becomes pointless; 24g 7 wraps vs 24g 10 wraps. Imagine drinking 7oz of Pepsi vs 10oz of Pepsi (7 wraps vs 10wraps); you wont get more flavor from drinking bigger gulps. Now if you went from 0.05oz gulp of Pepsi to 7oz gulp of pepsi, then you would be able to taste the full flavor of Pepsi. The reason you not tasting as much of pepsi at 0.05oz, is because not all taste buds are equally saturated for your brain to register the full flavor from Pepsi.
Now i vape at 25watts (24g 7 wraps, 0.71ohm spaced coil). If i go to 30 watts or a little higher, then vapor is warmer and
juice tastes better. But warmer
juice taste better, just like food tastes better when its warm/hot instead of cold. Our taste buds react to flavor better to hot foods then cold foods. Try warm sushi roll, it tastes 10 times better then a cold sushi roll. I'll never eat cold sushi ever again.
And if its not priming fast enough, then you might want to re-adjust your wick. Take a paper clip and stick it down the center of your wick so it hits the bottom of the juice hole. The juice channel must be clear of wick material.
You can also twist top cover of the tank towards open position till you see air bubbles going in to the tank, close it, then twist it open again to get more airbubles. Its a pain the .... but better then priming.
Also try bridge wicking or some call it Navy Nest, it looks like a birds nest. This way you have double the wicking material and more juice, thus less chance of dry hits.
If you still having issue, then do what i did, and mod the bottom portion of the lower chimney that screws on to the deck. Do this on both sides.
I will be doubling the size of the juice holes next time i re-wick, to increase juice flow when its cold out side with Max VG juice.
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Edit;
Almost forgot. Different length and diameter tips will also change level/% of flavor of the juice. A longer and narrower tip will give you a more concentrated flavor towards the taste buds that are designed to register specific flavors.
Short/stuby tips that are wide open, will spread out the vapor across all taste buds, thus you will taste less flavor. On cloud chasing RDAs that have giant wide open tips will improve flavor, because you getting far more volume from an RDA that is designed for cloud chasing at much higher wattage. But we are strictly speaking of Lemo here.
At the end of the day, IMHO, this tank wasnt designed for big coils and high wattage like an RDA. This is why i think you getting dry hits with your current coil. But you can make improvements as i have to work out the bugs, so it can handle bigger coils and more wattage. After all, vaping is a hobby.