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I built a brand-new Rotary Valve Engine, and it works!

Many of you have seen the process of making this rotary valve engine with different intake and exhaust system and how I tried ...

OHV Vs. OHC: What's The Difference Between These Engine Designs?

Overhead valve (OHV) engines have their camshaft housed within the engine block, while overhead camshaft (OHC) engines have ...
SlashGear

What Does An AFM Disabler Do And Does It Cause Engine Problems?

General Motors's Active Fuel Management (AFM) technology utilizes hydraulic valves, solenoids, and advanced software to shut down half of the cylinders in a V8 or V6 engine to save fuel. The system ...
Jalopnik

What's The Difference Between SOHC, DOHC And OVH Engines?

This is a category that is pretty rapidly going away. You'll be hard-pressed to find an overhead valve — also known as a pushrod — engine in anything outside of a General Motors LS/LT V8 or one of ...
jdpower

Does My Engine Need a Valve Clearance Adjustment?

Taking care of your vehicle is vital to ensure it stays in great condition. Your brakes could give you trouble someday, or your suspension could require tinkering, inevitably leading you to an auto ...