my friend goose has a 1991 ls 4 door integ. he would like 2 swap a b series vtec and i offered 2 help him perform the swap. he originally wanted 2 swap in a b18c4 because he saw in some british car on some british website, but i suggested a b18c1 and he agreed. he's really low on funds so we're gonna peform this in his drive way. my only questions are do we need custom mounts, and will a ls 5 speed tranny bolt on to the gsr block, or will that need modification?