Decided to go back to the original 5" arm setup, except I spaced out the arms away from each other (each arm is only held by 2 bolts, increasing front to rear distance). Testing new config (Cleanflight + oneshot + pid controller 1 = awesome)
Setup:
Blackout Mini-H Frame
MN2204-2300kv motors
18a KISS ESCs
HQ 5040 Props
ImmersionRC 600mw vtx
Spironet CP Antennas
Sony Effio-V 800tvl CCD FPV Cam
1300mah 25c 4s (this is not enough... need 45C)
FrSky D4R-II
Taranis X9D
GoPro Hero 4
Fatshark Dom V2 goggles
Flip32 Flight Controller (Cleanflight FW)