put your torque wrench in a vice and drive the socket end to it with a
wrench or ratchet....."calibrate" your arm, hand, wrist to 60 in-lbs
and add 1/3 of oyur 80 in-lbs

cheers
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I've never seen anyone actually using a torque wrench on these
couplings. You just tighten them up like most things, to be
reasonably tight, but not risk stripping them.


Ditto, its just a coupling, grab a tool and tighten it...