lb7
http://www.duramaxdiesels.com/forum/showthread.php?t=8213
lbz
http://www.duramaxdiesels.com/forum/showthread.php?t=8211
lmm
http://www.duramaxdiesels.com/forum/showthread.php?t=8209
lml
http://www.duramaxdiesels.com/forum/showthread.php?p=646794#post646794