The Dyno Number Game: What Your Tuner's Horsepower Claim Is Actually Telling You
Your tuner handed you a dyno sheet showing 420 whp and you drove home feeling like a hero — until your buddy's "380 horsepower" car walked you at the track. Dyno numbers are real, but they're also one of the most misunderstood metrics in the enthusiast world. Here's how to read between the lines.