Can anyone help me get my 970 working on 10.13.6? 3MB VRAM problem

I'm still on a Yosemite 10.10.5 build (Nvidia web driver 346.02.03f01) that is very stable and i'm happy with. I set aside yesterday to do a clean 10.13.6 install on a separate drive. So far all seems OK except I have only 3mb of vram and the resolution is bad (I have 2x1440p monitors)

I have the correct driver from Nvidia website. So why is my graphics so bad?

submitted by /u/throwaway604055
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