Engine Theory / 4 posts found

How to Build Racing Engines: Guide to Torque and Horsepower

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Competition engines are designed and built to generate maximum torque and horsepower for their size and intended operating environment. Torque is the heart of the matter. Defined as...
compression ratio

Understanding Dynamic Compression Ratio

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Your engine actually has two compression ratios, static compression ratio and dynamic compression ratio.
Cam Lobe Profile diagram

Effects Of Changes in Cam Timing and Lobe Separation Angle

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The following tables provided by COMP Cams illustrate how variations in lobe separation angle and cam timing affect engine behavior. Engine builders can refer to these characteristics often to determine the likely effect of any cam timing alterations they may contemplate...
camshaft installation

Engine Building Rules: Part 1

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Engine projects frequently evolve in a hap-hazard manner, often based on a few components you may already have such as a block or a set of heads. As such the engine is often compromised for its required performance level and fails to live up to expectations. The importance of this cannot be overstressed...