For occasional use I might just consider a lever and a pull-scale...
Lever length (ft) x linear force (lbs) = torque
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Bailey Quintrell
'74 FJ40--37 Irocks-32 Bolt 'Locks-SM420-ARB-XD9000i-FJ60 PS-MetalTech Cage
'93 FZJ80-DD-Part Time 4wd-locked-5" lifted-snorkel-bullbar-315 AT's
'97 FZJ80
'98 UZJ100-OEM RR locker
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