There are 4 main areas i want to sort out:
1. water in the drivers footwell
2. more water leaking in around the sunroof
3. smoking on startup
4. rust in the bulkhead
I think it will be a while before its back on the road, my aim is to have it ready in time for next years meeting.
Starting with 1.
My plan was to remove the drivers side front wing and take it from there. And for those that havent seen xj40 rust before, or who find it strangely arousing, here are some pics.

Wing probably beyond saving.

Think this is where the water was getting in. it seems to run down the screen, under the top of the wing and through this rust hole.

A lot missing from the footwell, and there was a lot of seam sealer holding the rust together, but the sills themselves were very sound. Maybe the body kit protects them ? the dark staining is due to treatment with Kurust. Dont know if it does any good but it at least it gets rid of the iron oxide colour.

The following are after some patches have been welded in, coated with zinc primer and hammerite. I also sprayed inside the box sections with waxoyl.


Its a pit patchwork quiltish, but at least feels solid now if you hit it with a hammer. Also, pleased to note no more water in the footwell after the last bit of rain.
Of course as soon as I started working on the xjr, the sovereign daily driver had a fit of jealousy and spurted her power steering fluid onto the road. But I treated her to a shiney new hose and she seems to have forgiven me.