Join us on Facebook: Search for 'ConcoursMustang' Private group!https://www.facebook.com/groups/concoursmustang/Indiana SAAC Fall Classic , French Lick, IN Oct 11-12http://www.insaac.org/SAAC National-Sanctioned Concours Event
I don't think grommets were needed there because the motor is mounted to the bracket with grommets so any vibration from the motor is absorbed at its mounting point to the bracket.