I used to use mobil 1 but changed long ago to shell helix ultra. As for FORD hmmmmm
When i first picked up my car i did the usual thing b4 travelling 1200k's home to find......
on all wheels atleast 2 wheels nuts loose
low coolant level
low on eng oil, when i asked what oil they were using so i could top up i was told "Any good oil will do" nah nah nah mate im not mixing oils what oils r u USING i had to wait 10 mins for a reply, All this from a BRAND new car with 10k's on tha clock