H4 engines are horizontally opposed four-cylinder engines also commonly known by names like flat-four and boxer. For comparison, most four-cylinder automobile engines are upright inline designs.
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H4 Vs. V6: What's The Difference Between These Engines?H4 and V6 engines are both examples of that and have unique properties due to their size, cylinder count, and overall design. Read more: Every Ford EcoBoost Engine Ranked Worst To Best The main ...
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