Its a pretty easy swap or so I have seen. Adapter plate for the mounts and might have to trim the front cross member little.Has anyone done a 6.0 ls swap in a 73-87 c10 and were is a good place to get a used take out engine im building a 82 c10 with bw t10 trans cant decied if i want to put my trusty 406 engine in or go for the ls 6.0 swap any info would be appreciated.bowtieb