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The cast-iron block looks extremely stout, with a closed deck on top and a very strong split crankcase. Rather than individual main bearing caps, or even caps joined by a main bearing girdle, the block simply extends past the crank and is split right down the crank centerline. The bottom half (called the bedplate) incorporates all the main bearing caps. In addition to improved strength, this design offers reduced noise and vibration, so it's becoming fairly common in modern engine design.
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