The Modern Hemi Dart project hits the dyno! This week on Stay Tuned, Tony Angelo and the Stay Tuned crew get after it on their 6.4 Hemi swapped '70 Dart project, and not only get it to the dyno, but on the road too! Can this pricey modern Hemi crate motor make the same power as a cheap junkyard LS? STAY TUNED to find out!