Gain a competitive edge with this street & strip calculator that helps you determine on-the-spot how engine modifications will affect vehicle setup, including power, torque, and track results. For the beginner or professional, easy-to-use formulas show how compression ratio, air-fuel mixture, gear ratio, and weather conditions (accurate weather data required) impact a vehicle's output and ETs. The "Hot Rod Calc" is your chance to know upfront--before spending precious time & money--which changes can be translated into performance.
Self-contained, handheld unit with protective cover... no additional computer or monitor needed
Quick reference guide with hundreds of pre-programmed formulas for engine building and track tuning
In the garage: Increase compression ratio & displacement and improve air-fuel efficiency
At the race: Get instant ET predictions for different tracks based on elevation, weather, ADI, DA, and HP