Hello Grumpy

I was not aware your annulus was deformed.
I think the best tip for flywheel removal is that it relies less on
force and more on force + shock - with a soft mallet directly on the spanner.
I personally have never had any problems here. Of course, the crankshaft
should be restrained by some method to maximise the shock loading.

Also, on tightening, the taper should be absolutely clean and be
oil residue free. I have been caught out by that...

In this case, I think a puller combined with shock to the puller
screw (not the flywheel) is the best option. Perhaps, another
member will suggest another method.

Cheers.
----------------------
JACK