Not sure if I implemented them 100% exactly like they are depicted in this guide, but here's my custom user calculated PIDs, located at \EFILive\V8\Config\

[Groups]
USER=User-Defined PIDs

[USER]
LTFTBEN="BEN from LTFT",factor,4
WO2BEN="BEN from Wideband",factor,4
SELBEN="Selected BEN from LTFT or Wideband",factor,4
AFR="Commanded AFR from EQIVRATIO",AFR_gas,1
OILPRES="Oil Pressure",psi,1
WB="Wideband AFR",AFR_gas,1
DYNAIR="Speed Density Air Flow",g/s,1
TRANSTPS="Filter out transient TPS data",boolean,0
CALCVET="Calculated VE from MAF",ve,4
FTC_21="Fuel Trim Cell 21 Filter",boolean,0

[USER.LTFTBEN]
0=|-- USER.LTFTBEN
1=|return (pid("PCM.LONGFT1")+pid("PCM.SHRTFT1")+pid("PCM.LO NGFT2")+pid("PCM.SHRTFT2"))/200+1

[USER.WO2BEN]
0=|-- USER.WO2BEN
1=|return pid("PCM.EQIVRATIO")/pid("EXT.WO2EQR1")+(pid("PCM.LONGFT1")+pid("PCM.LO NGFT2"))/200

[USER.SELBEN]
0=|-- USER.SELBEN
1=|if (pid("PCM.EQIVRATIO")>1.01) then
2=|return pid("USER.WO2BEN")
3=|
4=|elseif (pid("PCM.EQIVRATIO")<1.01) then
5=|return pid("USER.LTFTBEN")
6=|
7=|end

[USER.AFR]
0=|-- USER.AFR
1=|return 14.7/pid("PCM.EQIVRATIO")

[USER.OILPRES]
0=|-- USER.OILPRES
1=|return pid("PCM.EOPS")*32-16

[USER.WB]
0=|-- USER.WB
1=|return pid("PCM.EGRS")*3+7.35

[USER.DYNAIR]
0=|-- USER.DYNAIR
1=|return pid("PCM.DYNCYLAIR_M")*pid("PCM.RPM")/15

[USER.TRANSTPS]
0=|-- USER.TRANSTPS
1=|return dx("PCM.TP",frame()-1,frame())/10 < 5

[USER.CALCVET]
0=|-- USER.CALCVET
1=|return pid("PCM.MAF")*(pid("PCM.DYNAIRTMP_M")+273.15)/pid("PCM.MAP")/pid("PCM.RPM")*613.479*pid("USER.SELBEN")

[USER.FTC_21]
0=|-- USER.FTC_21
1=|return pid("PCM.FTC")==21 and pid("PCM.SHRTFT1")==0