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Engine Performance
In the Engine Performance section, learn about horsepower, carburetors, the difference between turbochargers and superchargers and even how nitrous oxide boosts engine performance.
- Quiz Yourself: CamshaftsThe air and fuel mixtures that power your car's engine are controlled by valves that open and shut. The essential camshaft rotates and instigates the valve movement. But how exactly does this crucial engine part work?
- How do exhaust headers work to improve engine performance?If you're planning to make more power from your engine. Switching to hi-performance exhaust headers are a good idea. Find out how exhaust headers work to improve engine performance.
- How do tuned intake runners work on your car?I've heard about tuned intake runners for car engines that provide a kind of turbo-charging effect. How do they work?
- What does it mean when a car has dual overhead cams?What does it mean when a car has dual overhead cams? Does it matter? Is a car with dual overhead cams better than one with single overhead cams?
- What if I pumped pure oxygen into my car engine instead of using the air in the atmosphere?Engines need a certain amount of oxygen to make the car run. Exactly how much is needed? And if an engine used more, what would happen to the car?
- What if I put a one horsepower engine into my car?Most cars have a 120-horsepower engine, and SUVs have a 200-horsepower engine. But mopeds have a 1-horsepower engine, and they get great gas mileage, too. So why can't I put the small engine in the big car?
- What is the difference between a turbocharger and a supercharger on a cars engine?Forced induction systems are one of the best ways to make lots of power, so which system is better? Turbochargers or Superchargers? Learn the pros and cons of both.
- What makes NASCAR engines different from the engines in street cars?The engines in today's NASCAR racecars produce upward of 750 horsepower, and they do it without turbochargers, superchargers or particularly exotic components. So how do they make all that power?
- How do you convert engine torque to horsepower?When you convert from engine torque to horsepower why is the number 5252 involved?
- How does a carburetor work?The goal of a carburetor is to mix just the right amount of gasoline with air so that the engine runs properly. Learn more about how a carburetor in a gasoline engine works.
- How does nitrous oxide help an engine perform better?I'm always hearing people talk about pumping nitrous oxide into an engine. How does nitrous oxide help an engine perform better?
- Why do big diesel engines and race car engines have such different horsepower ratings?So why does a diesel engine with huge torque and low maximum RPM get a low horsepower rating compared to a low torque, high revving race car engine? Find out why in this article.
- How can I measure the drag on a car?I have to think of a way of measuring how much drag is pushing on my mother’s car as we are driving on the highway. Do you know how I can make one?
- How Engines Work (Video)What does a potato cannon have to do with a car engine. They're actually quite similar. Learn all about combustion engines in this video from HowStuffWorks.
- Turboshaft Engine (Video)Watch this video about turbo engines on HowStuffWorks. The home-built, self starting GR-5A turboshaft engine is completely constructed from off the shelf items (mostly from eBay), the 8 horsepower engine is like no other turbine.
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