1985 cab going on a 1977 chassis

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Any headaches putting an 85 cab, nose and bed on a 1977 chassis? Both are 2 wd long beds. I know 97% of the things bolt up, but just double checking with the people that would really know.... .

I just want to make sure I get everything I need lined up before the swap (Cab mounts, radiator support placement etc....).

Thanks