Click image for hi-res gallery Roush has come out with a new variant of its ground-pounding 427R. the 427R Trak Pak Mustang is designed for drivers who want to track their road cars on race ...

That’s part of the reason why we made the seven hour trek from Southern California to Thunderhill Raceway in Willows, CA, to get behind the wheel of Roush’s new 427R Trak Pak Mustang.

it's a safe bet that Roush's off-the-rack weekend track Mustang ought to be made of the right stuff. To find out, we borrowed a 427R Trak Pak and made merry for a week of street and track thrills ...