try here
http://www.the75andztclub.co.uk/foru...ead.php?t=9108
not just a v8 problem but applicable across the petrol range.
I would add, as with other models, the underbody rust treatment and painting of parts is quite poor- half the paint has come off my front shocks, and other brackets/ bolts etc underneat are very rusty.
will be steam cleaning and waxoyling before long