Mild 360 stalls when I put it in gear.

what i would do is, set the timing at around 30-35* at about 3000 rpms. then come back and set your curb idle at around 7-800 rpm , and see how it likes that. if that is not doing the trick , i would guess there is something off with your timing tape. there is no way that thing is running on all 8 cylinders at 60+ degrees advanced. it would have all but stopped running.