Tag Archives: Fuel Efficiency

How to install Aux Fuel Adapter and Rail on your EcoBoost Mustang or Focus ST/RS?

2) Position aux adapter and intake manifold on cylinder head 3) Install the M8 washers and socket head screws into intake manifold and adapter. Make sure all o-rings are still in position. TQ socket head cap screws to 18 ft-lbs.  To finish the hardware install, you will need to disconnect the oem fuel line connection […]