Building or restoring any classic car is a daunting task. Before you can turn a single wrench, though, you have some important decisions to make. Namely, what to power it with in the first place?

We then cross-referenced each of the powertrains of the top finishers to understand which engines are powering the most ...

Classic muscle cars were the pinnacle of U.S. automotive engineering of the time, with their massive big-block engines producing boatloads of horsepower and torque while still being affordable ...