ouch. heart palpitations? 3 hits did that? sounds like you got a hold of some 48mg uncut juice. i can vape 36mg really early in the morning, a few hits, with the first cup of coffee. after that i stick to the 11-18mg range.
i found a guy at work with a provari. apparently he's been vaping for a few years. had no clue, he just stealthed at his desk until last week. he let me try some Tasty Vapor lemon poundcake. very nice. and he is gonna give me an orion to play with ... will be my first genny style atty.
and i put a dual coil in my phoenix clone rebuildable. metered out at 1.7Ω, rocks on the kgo battery with a small tank sleeve, pumps out hiroshima sized clouds on the box @ 4v ... it's just 2 pre-rolled coils from discount vapers, one on each side of the posts. i put an extra wrap on each side to bring the resistance up a little ... due to running parallel having the effective resistance.
seriously, anyone with a phoenix clone should try this, and for nine bux at DV, just get one to play with. a dozen pre rolled coils is about nine bucks too.