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Modern car engines are made with a combination of materials, including aluminum and plastic, for various reasons, primarily related to performance, efficiency, and weight reduction. Here are some of the key reasons for using these materials: Aluminum: Lightweight: Aluminum is much lighter than iron, which was commonly used in older engines, although there are some cast iron blocks around still. One example being some Chevy LS engines. Lighter engines improve fuel efficiency and reduce the over …

WiseAuto Tools Summary: A blind hole is a type of hole that does not go all the way through a material, but instead, it has a bottom or "blind" end. This means that the hole does not exit out the other side of the material but rather terminates at a specific depth. Blind holes are commonly used in manufacturing processes for a variety of purposes, such as creating a cavity for a screw or bolt to be inserted into, or for creating a recess for a nut or other fastener to be installed. They can also …