Radiator mounts

[50bomb]

Need help with figuring out what radiator mounts will work for my 1967 chevy c10. I bought a 4 core radiator off member dano but not sure what years if 68-72 c10 and c20 will work. Also if i do i was told just to bend the bottom a bit with pliers so the bottom brackets fit. Main question as well would be how do i set the bottoms in? By tack welding them? and from your experience and a junkyard/salvage yard how do you get them off being the Originally are rivit in? Thank you.