I am not sure if this was posted before, (I did a very weak search) but this is cool, it is at the bottom of the list.
http://www.chryslercommercialvehicles.com/dodge/download/pdf/manuals/
http://www.chryslercommercialvehicles.com/dodge/download/pdf/manuals/2013-Viper-OM-1st.pdf
http://www.chryslercommercialvehicles.com/dodge/download/pdf/manuals/
http://www.chryslercommercialvehicles.com/dodge/download/pdf/manuals/2013-Viper-OM-1st.pdf