Job jobbed! Finished with time for a drive before a late dinner. found someone with the tool needed on a bank holiday monday - lucky.
people were not kidding when they said it is a pain in the backside to remove and refit the sump, eventually found it easier after alot if fiddling and bit of thinking.
i found i needed to remove the rear bolt that holds the oil pick-up pipe and loosen the other one, the pick-up pipe will then let the sump swing more and voila! off it came. i used the same technique when refitting, front bolt in with oil pipe gasket in place so that the pick-up pie moves slightly.
Also there is a really annoying tiny bolt that holds the gearbox/sump plate on - that was all that was stopping it from sliding on up in there.
the sump i removed turned out to be cleaner than one i replaced it with
and i had cleaned it before hand - i guess the Wynn's engine flush i used last months had done its job then - zero sludge in engine. i eneded up re-using my oil seeing as it has only been in for 3 weeks and is really clean [and expensive]
when inspecting the pick-up pipe there was lots of sealant strands stuck in the gause - too much sealant in previous re-fitting of sump by unknown previous mech. i used a smear of hylomar blue - the minimum i felt happy with. getting the old sealant off the block flat on your back and no blood in your arms is fun
and keeping oil away from the bit you just put sealant on too, dont want that killing your new seal!!!
test drive makes it all worth it - new upper wishbones feel sooo much better, v6 intake mod sounds nicer and safe in the knowledge my sump plug is not going to fall out at any moment...
now im going to get paranoid about the belts and pullys/tensioners instead
Thanks everyone for your help and pointers - appreciated.