The North American road racing season kicked off in fine form a couple of weekends ago with the annual Rolex 24 at Daytona.

We hung out with Clay Millican’s Parts Plus Top Fuel dragster to learn what it takes to go from 0 to 330 mph in under four seconds.

Though many crate engines are V8s, there are a few examples of six-, four-, and even three-cylinder engines that deliver ...