if you are interested in replacing your DMF with a South Bend Clutch SMF you might want to review these posts which Peter Pyfer sent me:

http://dieselram.com/cgi-bin/ultimatebb.cgi?ubb=get_topic;f=2;t=002953#000001

http://dieselram.com/cgi-bin/ultimatebb.cgi?ubb=get_topic;f=2;t=001276#000001

http://dieselram.com/cgi-bin/ultimatebb.cgi?ubb=get_topic;f=3;t=001349#000000

http://www.setdr.org/phpBB2/viewtopic.php?t=1580&highlight=south+bend

http://www.setdr.org/phpBB2/viewtopic.php?t=28&highlight=peter

http://kydtr.com/iboard/index.php?showtopic=3591&hl=southbend

http://kydtr.com/iboard/index.php?showtopic=2641&hl=southbend

http://www.ford-trucks.com/forums/showthread.php?t=399739&highlight=southbend

http://forums.thedieselstop.com/ubbthreads/showflat.php?Cat=&Board=73upgrades1&Number=2588849&Forum=f50&Words=southbend&Searchpage=0&Limit=25&Main=2587399&Search=true&where=bodysub&Name=&daterange=1&newerval=1&newertype=y&olderval=&oldertype=&bodyprev=#Post2588849

http://forums.thedieselstop.com/ubbthreads/showflat.php?Cat=&Board=73upgrades1&Number=2479134&Forum=f50&Words=southbend&Searchpage=0&Limit=25&Main=2479095&Search=true&where=bodysub&Name=&daterange=1&newerval=1&newertype=y&olderval=&oldertype=&bodyprev=#Post2479134

http://www.dieseltruckresource.com/dev/showthread.php?t=78831&highlight=sbc

http://turbodieselregister.com/forums/showthread.php?t=127367&highlight=double+disc

http://turbodieselregister.com/forums/showthread.php?t=138095&highlight=iron+giant

http://turbodieselregister.com/forums/showthread.php?t=137216&highlight=iron+giant

Good Luck,
John