New Video from (FTM) on 3.5 Duratec engine and recommends BG EPR Flush! Dunno! Z
https://www.amazon.com/Bg109-Engine-Performance-Restoration-Makers/dp/B00IAPLIDK/ref=as_li_ss_tl?ie=UTF8&qid=1542649830&sr=8-1&keywords=bg+epr&linkCode=sl1&tag=fordt-20&linkId=bc0eee538071e88076c9b248cccf2543&language=en_US
https://www.amazon.com/Bg109-Engine-Performance-Restoration-Makers/dp/B00IAPLIDK/ref=as_li_ss_tl?ie=UTF8&qid=1542649830&sr=8-1&keywords=bg+epr&linkCode=sl1&tag=fordt-20&linkId=bc0eee538071e88076c9b248cccf2543&language=en_US
[flash=490,380]https://www.youtube.com/embed/xvUr_k4j9gc[/flash]