well i know for a fact they are wrong,,,,, i work at ford remember but then again opie oils seems to have always been 1 sided claiming to be helping when in reality they are just salesmen

they know what they have been told, they dont refine oil in anyway way shape of form hence they have made such a school boy error based on " its a zetec"

look at them on the net,,,,, the ONLY oil they recomend no matter if its for mazda, ford, bentley, cooking chip, suntan, sewing machine or even waxoil it will be silkolene purple oil with basic thickness

15w50 is good for track use on my car as otherwise it burns oil,,,,, currently im using ford formula E fully synthetic as its 10.99 for 5 litres of the stuff from main dealers,,,,,, cant go wrong at that price IMO considering i change it every 3k miles ,,,,,, oh and its made by castrol

id LOVE to know what they recomend for the Vag engines or the BMW engines from 2003 onwards