Saturday was definitely a day to be remembered in the history of Miller Motorsports Park.

The brand new Ford Mustang FR500S was displayed and driven at the Tooele County race track for the first time as new owners took control of these machines. These cars are the main ingredient in the new racing series -- Ford Racing Mustang Challenge for the Miller Cup -- which starts this year.

The inaugural season will consist of eight races at high-profile venues throughout the United States and Canada

This historic event had its beginnings when MMP created a driving school where they took 30 stock Mustang GTs and modified them into racing machines.

"From day one we were going to have a school -- the official Ford Racing School," said MMP Manager Alan Wilson.

When the track was awarded the Motorsports Park of the Year during its inaugural season it built prestige for the Tooele County racing park. It was an accomplishment no other track in America had been awarded.

Ford had heard of the official Ford School, and Larry H. Miller had contacted the company about the idea of a spec series, and Ford liked what they heard.

"We got with Larry [Miller], liked the idea, and said let's connect the two and build the car," said Jamie Allison, performance group manager of Ford Racing. "Mustang has been around for 45 years, and this is the first time in history they have had a unique series like this, but Ford and Miller Motorsports Park made it happen."

The idea had been floating around for about five years. Then nine months ago, production had taken its course. Overall, 77 mustangs were made. The first one went as an honorary gift to Larry H. Miller, the second went to the Ford Museum, and around 23 more were sold. Each Mustang sells for about $75,000.

Ford wanted to make it so that every car purchased had to come through MMP one way or another.

"These cars are stock engines no modifications can be made," said MMP media manager John Gardner.

"They're rock, stock, bulletproof and ready to go. Each engine is two to three horse power within each other," he added.

A spec series is a series where "no" changes can be made to the engine or body of the car, which means the outcome of the race depends on the car's driver.

"It all comes down to the craft, and skill of the person behind the wheel," said professional drifter Vaughn Gitten. "It's cool that everything is in the driver's hands. He/she has to prove themselves."

Each car is very well built, first they are built with the engine and body only at the Ford's manufacturer. Then, they are sent to another company to install the roll cage. After that they are taken to Roush where the engines are completed, and then they are sent to MMP where their new proud owners can bask in the glory.

"This is a huge event," Gardner said about the activities Saturday at MMP. "It is being covered all over the world, there are over 150 journalists here."

After the companies were able to do a quick glimpse of their cars, they were then sent out onto the track where almost 25 cars which had been purchased anxiously waited to be started.

A celebration lap was then completed, but the drivers were still unable to open the throttle and push it to the limit. The cars were then sent back into the garages where the teams completed a nut-and-bolt check to make sure nothing was loose.

"These cars are really great," said engineer Tyler Brower for Autohouse Motorsports. "We were very high in the purchase line, and we're anxious to get the cars."

Autohouse purchased three of the first Mustangs sold.

"In total, 77 mustangs were made. If we sell out we will just do what every other spec series does and come out with a new car each year," Allison said.

Miller Motorspors Park will continue to use the same type of Mustang for the driving school and update it each year. They will do the same with the spec series.

"This series is great, and having American Muscle Cars makes it better," Gitten said.

The first race will be held in Brazilton, Ga., on May 5. The last two races of the series will be held at MMP and are expected to be the best of the season. Until then, MMP has things going on every day.

"We have the go carts, there are cars racing for placements, people can come talk to the crews of the cars in the pit, there is a lot to do out here and people need to know about it." Gardner said. MMP is a great place for people who love cars, it's cheap, fun, and you never know who you might get to meet.