In the December Fastrack (http://www.scca.com/documents/Fastra...strack-dec.pdf), in the middle of page 34, you will find a "What Do You Think" item addressed to the FB community. Please read it and respond through the CRB letter system (crbscca.com).
Also, in the Tech Bulletin (bottom of page 56), you will see that we have added a new section on differentials.
Thanks,
Dave