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Welcome to HHH Performance, for all the gearheads out there.


HHHPerformance.com offers a variety of vehicle performance calculators and tools to improve and analyze your vehicles performance. Be sure to create an account so that you can store your own custom vehicle and participate in the discussion forums.


Popular Calculators


The acceleration calculator will tell you 0-60, 1/4 mile times, and much more.


The HP and Torque calculator will determine your torque from a given rpm and HP, or vice-versa.


The gearing calculator will help you find your shift points and determine optimal gearing.


See more calculators...