When you're hurtling towards a concrete-walled turn at over 90 MPH, you'd better know that every nut and bolt in your car is torqued to spec.

Photo: Nick Thomas
We've all had to prepare for something before"a date, an interview, a test. It's always a stressful experience. Now imagine you were about to go on a date with somebody you were pretty sure is trying to kill you. Or, imagine that your desk would be pushed off a 100ft cliff if you failed that test. Preparing for a track day is a lot like that.

About a week before our Focus RS was set to tear up Raceway Park's road course, Dan and Eric were neck deep in tasks. We would be pushing the RS to its limits to test our rear differential cooler; every box had to be checked and every part ready. A week isn't a lot of time to install diagnostic equipment, maximize the car's performance, finalize prototypes, and safety check the entire vehicle, but it all had to be done before 6:00 AM on Tuesday.

Before they could start prepping the mechanical,









