Been awhile since I've tried to help anyone.......but here goes my attempt.
first.....double check to make sure that what you received were 1.6 ohm coils. I don't know if they laser etched them on the heads, but you can find it on the bar code on the box.......very tiny print, but it's there. Be aware that we're dealing with factories and mass production. Coils may vary +.1 or -.1 straight out of the box. Add to that a variable between different mods in just how accurately (or not) that they may read it. I use a nautilus with a 1.8 ohm head. Same
tank put on 3 different mods gives me a reading of 1.9.....2.0.....1.9. In addition to that variation......I have different wattage settings on each mod to achieve the same...or close.....
vaping experience. You might want to try bumping up your watt setting to 8.0 or 8.5 with the ohm reading you have. For me anything set too low feels as if I need to charge the battery.....and that may be why you're feeling it takes too long for it to warm up. I have my mods set from 8.5 to 9.0 watts for a 1.8 ohm ?....lol.....coil.
On to the saturated wick and following puffs....if talking about a new coil, even though you may have waited a bit for the wick to saturate.....take a few puffs with out firing the button on the mod to help pull that
juice into it.
The flooding issue can be a couple of things. If you just filled the tank....just a tad overfull. The other thing I've found....condensation that builds up in the center tube and drip tip. When ever I refill, I swab out that center post/tube, and run a pipe cleaner from the drip tip all the way through. You'll be surprised how much has accumulated there, and that will drip back down onto your coil .
As to whether or not you want another MVP 3.0....or something else.....welcome to the adventure and the never ending search for the perfect mod/tank/rba combo that suits YOU !!