For example if i wanted to set up a turbo on an a14 how would i set it up?
It all depends on what you want from it and how much you want to spend.
what carbie/carbies? or can u use only one carb?
For a blow through set up something like a 32/36 weber would be ok (injected would be alot better but $$$$) or for draw through a side draught weber 40mm or 45mm or a decent SU.
do A series cope with turbo systems?
Yes they do quite well if set up properly.
Also a few more questions about 1200 utes conversions, do all A series just bolt in?
depending on what year the ute it is you may need spacer plates on the engine mount for an A14 or A15.