Tech Tip: Can You Explain the Differences? Torque vs. Horsepower – UnderhoodService

Tech Tip: Can You Explain the Differences? Torque vs. Horsepower

Everyone who works with cars or trucks is familiar with the terms torque and horsepower. But do you understand the difference between the two and can you explain it to a customer? It's important to have a sound understanding of both, and the ability to comprehend what defines each measurement of output.

Everyone who works with cars or trucks is familiar with the terms torque and horsepower. But do you understand the difference between the two and can you explain it to a customer? It’s important to have a sound understanding of both, and the ability to comprehend what defines each measurement of output.

By definition, torque is the force applied to an object to produce rotational or twisting motion and is usually measured in foot-pounds. For example, torque is the effort exerted by the engine to eventually turn the wheels. In another example, like tightening a lug nut, the torque is calculated by multiplying the force applied to the wrench, by the distance to the pivot point where force is applied.

Horsepower is defined as the ability of a mechanism to do a specific amount of work over a given period of time. In other words, a dynamometer measures the engine’s torque and also measures the engine speed in rpm. With these two numbers, the horsepower can be calculated. So horsepower is the rate at which torque is applied.

It is understood that the more torque and horsepower produced by an engine, the more powerful the motor. There are many ways to increase the power rating of an engine. One way is to reduce the friction produced in the engine, which may be accomplished simply by switching to certain quality full synthetic motor oils. Such full synthetic oils may significantly reduce friction compared to conventional oil, and help maximize engine torque and horsepower.

Courtesy of Quaker State.

For additional information on products offered by Quaker State, visit www.Qpower.com.

You May Also Like

Ford 3.5L EcoBoost Turbocharger Oil Leaks

Ford has revised the service information for the inspection and pinpoint tests of the turbocharger and oil lines.

For 2015-2024 Ford and Lincoln vehicles equipped with turbocharged engines and customer concern of an engine oil leak. Ford has evaluated turbochargers replaced for oil leak symptoms and although oil may collect on the external surface of a turbocharger, it is extremely rare for a turbocharger assembly to be the root cause of the oil leak. 

BP Pulse Opens Gigahub in Houston

It is the first BP Pulse-branded Gigahub in the US and opened to the public on April 2.

Service Opportunities Still Exist With EVs

Like all ICE vehicles, you need the correct tools, parts and to follow the proper service procedures when servicing EVs. This video is sponsored by The Group Training Academy.

Wheel Bearing Shortcuts

When you’re installing a wheel speed sensor on a hub unit, never ever remove it from the original unit. Sponsored by Auto Value and Bumper to Bumper.

Monitor Water Quality When Servicing Coolant

The harder the water, the more likely the water pump is to develop a leak.

Other Posts

Rough Running GM Vehicle

This condition may be caused by an internal circuit board fault within the throttle body.

Diagnosing Intercooler Boost Trouble Code P0299

The criteria for setting the code is very basic.

Autel Energy Europe Releases MaxiCharger Launch Plan

Autel introduced the MaxiCharger Megawatt Charging System satellite launch plan at the Nordic EV Summit 2024.

Success Means Investing In More Than Equipment

Todd Baldridge measures success by how well his team benefits from being together.