
It refers to the intake pipe between the carburetor or throttle body and the intake port of the cylinder head. Below are the specific details about the relevant content: Introduction to intake manifold: For carburetor or throttle body fuel injection engines, the intake manifold refers to the intake pipe between the carburetor or throttle body and the intake port of the cylinder head. Function: It distributes the air-fuel mixture from the carburetor or throttle body to the intake ports of each cylinder. The intake manifold must distribute the air-fuel mixture or clean air as evenly as possible to each cylinder. To achieve this, the length of the gas flow channels inside the intake manifold should be as equal as possible. To reduce gas flow resistance and improve intake efficiency, the inner walls of the intake manifold should be as smooth as possible.

As someone who frequently works with engine repairs, I can tell you that the manifold is one of the core components of an engine, used to direct airflow. Specifically, it functions like a large funnel: the intake manifold is responsible for drawing in air and evenly distributing it to each cylinder, ensuring uniform combustion of the air-fuel mixture; the exhaust manifold collects the post-combustion exhaust gases and channels them into the exhaust pipe to be expelled from the vehicle. Manifolds are typically made of heat-resistant cast iron or aluminum alloy, which can crack or develop leaks under high temperatures. Symptoms of such issues include increased engine noise, reduced power, and higher fuel consumption. Common problems I encounter during repairs include gasket degradation or poor sealing. If left unaddressed, these can lead to excessive emissions or even damage the catalytic converter. Preventive measures include regularly inspecting the manifold surface for cracks and avoiding sudden acceleration while driving to minimize thermal stress. Optimizing the manifold can enhance engine efficiency and longevity, so don’t overlook this small but critical detail.

As an average car owner, I think the manifold is quite crucial. It's the pipe system on the engine, where the intake manifold distributes air to the cylinders, and the exhaust manifold combines and expels the waste gases. My previous car had a manifold leak, and I could hear a noticeable hissing sound, experienced weak acceleration when going uphill, and increased fuel consumption. The mechanic replaced the manifold during the repair, and the issue was resolved. For daily maintenance, it's important to keep the engine compartment clean, especially around the connections to prevent dust buildup that could lead to loosening and leaks. When driving long distances, maintain smooth driving to reduce thermal fatigue. When buying a used car, pay attention to the condition of the manifold, as repairing cracks can be costly and troublesome. Simply put, a faulty manifold is like a leaking pipe, affecting overall performance, so it's better to address it early for peace of mind. During maintenance, have it checked to extend the component's lifespan.

I'm a car enthusiast, and the manifold is responsible for managing engine airflow. For example, the exhaust manifold collects exhaust gases from each cylinder and outputs them. Modifying with a short manifold can enhance the exhaust sound and throttle response. The intake manifold optimizes air distribution to improve combustion efficiency. Material choices like cast iron are durable but heavy, while aluminum alloy is lightweight with better heat dissipation. Symptoms of a manifold leak are obvious, including power loss and increased noise. Regularly check the sealing rings to prevent aging. In car tuning, manifold design affects performance—choosing the right one can save fuel and reduce emissions.


