Eaa's vintage magazine just had an article about this exactly that
showed how to modify a socket so that a bolt goes through the hub and
socket, and you can attach a torque wrench to the socket. (they gave
their torque values in the article too.
The overhaul manual does have a specific procedure listed though...
I should say something like insert a long bar into the hub nut and use a
brisk strike against it with a brass hammer. this leads me to believe
that it isn't a precision activity.
(if no one answers, I can look it up when I get home)

Mike

SteveR wrote:
Can anyone tell me what I should torque the hub to on my A-75 (the
retaining piece that threads onto the engine crank)? I've searched the
continental engine manual and can't find this value.

Also, since there is no nut or bolt on this piece, is there an easy way
to make an adapter that will allow me to use my torque wrench on the
hub? How is the hub typically torqued onto the engine? I don't have
access to a welder to make an adapter.

Thanks!

Steve Ruse