"Weren't those slots already in vanilla OM just for that purpose?"
RSRDC_SH15_V550
OpsMonsun_V705
OMv705_to_V720
OMv720_Patch1
OMEGU_v300
OMEGU_v300_Patch4
OmeguV300WaterFix
I only had 2 slots for connin tower for IXD2, what "vanilla OM"

"OmeguV300WaterFix" here are my experimental mods.