Posted by Corey Fisher on February 07, 2007 at 18:26:12:
In Reply to: Differential constant for Overton FD320 posted by George Tahan on January 03, 2006 at 20:55:16:
We use a FD-320A and I have a manual. Send me an email at corey@circuitworx.com with OVERTON 320 in the subject and I'll help.
-corey