Done some more today, having a break and then might go back out there & do some more.
I have got the rear lower quarter tacked in place all the way around as you can see below-
Then I set about trimming the rear wheel arch down to fit the rear wing without going too far into the panel and I came across a bit of a problem. It seems one of the previous careful owners has scraped the rear wing between the door & the arch down a gatepost or something and left a dent in the wing about 6-8mm deep right down the rear wing, from the inside it can be felt, it's been filled & I haven't known about it in the 8.5 years I've owned it but it's going to make fitting the arch a bit more tricky due to the fact it doesn't meet the panel snug all the way along as shown below-
I see a number of options so far -
1 - Bend the edge of the panel out to meet the arch & re-fill it once welded in place, I don't want to bend the arch panel for I fear it may deform the curve of the arch.
2 - Cut out a large section of the rear wing & put new straight metal in, however I think this is overkill and may end up no better than before.
3 - Build up a beads of weld in the gap, then smooth the top off with the grinder so it meets the arch & weld onto it.
Any suggestions?, putting a new rear wing on it is not an option as they are horrendously expensive and it would be a made to order pattern one which i'd have to wait months for.