BenchRacer!

Ever wonder how much faster that extra 10 HP *really* makes your car? Or what a change to power band, weight, gearing, or tire size would do for you?With BenchRacer, you can enter your own real vehicle data, modify it as you like, and easily estimate the resulting performance stats: 0-60 mph, 0-100 mph, top speed, 1/8 mile, 1/4 mile, 1/2 mile, and full mile times and trap speeds, and more. Always drive safely.