Originally Posted by Churtz

Hi. Pumas and fiestas have airflow meters! The physical fitment of the engine should be easy enough, wiring wise may be different. The nice thing about doing this to a zs is that they have the same fuse box as a puma...meaning the puma harness and ecu plug straight in. Not too sure about the focus wiring tbh...

I'm someone can advise... A 2.0 might be a better choice though...focus to focus conversion will be easier!!