differential ? please help
 

i have a lsp lastnight i picked up the front end and turned both wheels in the same diection shouldnt the rear wheels be turning also and the sam goes for the rear. when i do that to my lst2 it turns the rear wheels and vice versa. when i turn the spur gear on the lsp it will turn both f/r if off the ground but if the front is off it turns those wheels. i dont know part time 4wd help. i still
have the same stock stuff in my diffs