No, he does not.
YES, he does. His voting record speaks for itself:
http://winkprogress.com/liberalbias/4371/justin-amash-fake-conservative/
http://www.opencongress.org/people/compare?person1=400314&person2=412438&representatives=true
If a bill is too RINO establishment, Pelosi and Amash may be inclined to vote no for different reasons
Im sure Broun has taken some “liberal” votes.