Can anyone tell me if it's true or not about this conversion!

Ok I'm looking to convert the brakes on 65' valiant from drum to the big bolt pattern disk brakes. Now I know that you can use the 74-and up sets off of darts and dusters. But I seen an ad for a set up using parts from the volare's and it states that they work on A-body's. Can anyone tell me how much truth there is to this. Because I've never seen any articles on this or heard of anyone else using them. If it's true I'm like alot of you guy's out there I'm building on a tight budget!!! And those parts can be had fast and cheap!!! So if anyone can help me find out the truth I and I'm sure others that read this would be thankful!!! Thanks for your help in advance!!!