Your car’s internal combustion engine relies on a huge number of large, small, and oddly-shaped parts. One of the biggest and most important parts of your motor is the engine block or cylinder block, which may be built from cast iron or aluminum depending on your vehicle. It functions as the lower half of the motor and houses critical components like the crankshaft, pistons, and, in the case of some pushrod motors, the camshaft. The engine block also contains
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