Learning from my RS4 where compression became a topic, I wanted to make sure I knew the state of this engine before buying. Thankfully, all cylinders are in great shape. Test done on 10/10/2015, cylinder values as follows:
With the car at Stage 1, GoodSpeed Performance Lab put it on the rollers of their Maha dyno (only one in NA?) which is known to be even stingier than the Mustang's. It was running 91 octane program and fuel.