You're in the wrong group guy.
Nevertheless, these studs shouldn't be torqured. They should be tensioned.
There are lookup values based on ring, stud material etc.
Contact these guys:
http://www.fastorq.com/index.cfm There are other
contractor's as well.
<mahir.abbasov.RemoveThis@yahoo.com> wrote in message
news:b3261e0c-bb33-458b-8524-baaf9a67787b@d5g2000hsc.googlegroups.com...
> What torque figures will be for 18 flange 2500 class and bolt will be
> 2 1/4"