I am concidering purchasing a 2011 challenger. SRT 392 hemi. The car has been modified with a 426 hemi, ken belle blower. Modified. Internal s& drivetrain. I am new to the molar world ,so I am educating myself as I go. I asked for the build sheet as well as the dyno sheet. Is there anything I should know or be aware of about the vehicle? Any input appreciated.