[T Creighton]

Hi Mike, Phil, Petr, Lynn and Bob.
Thanks for the ideas. The consensus seems to be to weld a nut on the stud so I shall try that. If it works well on one stud I will need quite a few nuts although it may be possible to re use some.
Where should the nut be? Near the block surface or further up the stud so as to allow for penetrating fluid around the thread.
I don't want to run out of practice studs before I get the process sorted.
The block in the centre of the pic is probably the one I will get rebuilt.
I could be still doing this when our snow starts falling and as Lynn will know that will be a very long time.
Cheers, Terry