Originally Posted by mistryn
just out of interest how much does this oil analysis cost and where do you send?
Cost is 25 or 35USD with postage at 5GBP. They email the report to you.
Thanks for all the suggestions. I'll try the oil-filter route. I haven't got a strap-wrench to remove the filter cover but I have got a strapping-wench so she can have a go it pulling it off.