72 5 lug front suspension to 67 truck swap?

[zacut]

I am planning to swap the front suspension from a 72 onto my 67 to gain the 5 lug wheel bolt pattern. My question is how much of it do I need to take? I am guessing the spindle and rotor/hub but wondered if I need more or less? Are the control arms the same?

To make this even more complicated. . . my 67 already has a disc brake conversion from Chevy duty (still six lug on it). Can I keep the new Chevy Duty spindles? I think they are drop spindles, hence the interest in keeping them, but won't be sure until I pull the wheels off and look.

Thanks for any advice.