need some help turning gmc into a chevy

[1971c10La]

ok heres my story i got a 1971 chevy lwb 5 lug with a bad rusty cab also no title but i found a 1970 GMC swb with a good cab and bed with title. But could i take my 1971 chevy fenders hood grill rad suport and put it on the 1971 GMC swb as easy as just bolt up also i want to take my front end of the 1971 and put it under the GMC and the GMC is six lug my chevy is 5lug so i have to take the rearend also does all of that just bolt up to a GMC swb frame from a chevy lwb frame. Sum it all up i want a chevy swb with the disc brakes any help whats so ever is very appreciated thanks