Besides a dripper the kf is probably one of the easiest things to wick, your right your using too much cotton, or wick, I recommend using rayon, it's leaps n bounds better than anything else.
TBCA you might want to use smaller diameter coils, this will force you to use less wick, or just use less wick. When people start talking about drilling channels or pg/vg ratio causing wicking problems you'd be best served to stop listening.
Check out the rayon thread if you send me a self addressed envelope vg I'll send you some to try. You will then be sold on rayon.
Thanks for the advice and offer! I've read a bit about rayon, and I'm intrigued, though I need to read more, since rayon kinda scares me to be wicking with. Probably unfounded, I just wanna research what it's made of more.
As far as coils, I use a tiny 1/16th bit, or sometimes a jewelers screwdriver to wrap, so they are damn small. I think at least. I built yesterday, and got it down. It's just a fine line for me, since I want the ends of cotton fluffy, and don't wanna roll it to fit the coil, it will expand and choke. I did well on my recent two builds, though. Mastering getting the wick to pull freely a bit back and forth in the coil with out disturbing it has made the difference. I was rolling tight my cotton to thread the wick before, and that makes it expand with juice, and choke, thus some afterburn as I call it.
Been at it with kayfuns for about 2 months, and I got em down pretty well, just still have the occasional gremlin. That's why I read, and post. I'm gonna order some kanthal in around 24 gauge maybe 26, since I use 30 now, and 6-7 wraps is 1.2 ohms for me. Especially with my dripper I can't build low enough with 30 g, not enough wraps, and too small a coil. I can also get more surface area on my 1.2 coils, can't hurt to experiment on how that works out.