Ok thanks! I ordered the below case and I'll see if it helps.
https://www.amazon.com/gp/product/B01IT0TDY6/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1
there is 1 PCI space between the cards, but with the PCI blower fan, it touches the cards, so I fear that will make things worse since it...