Light and Strong What a Magnesium Engine Valve Cover Offers
The magnesium engine valve cover is a high-tech part that you can find on some of the most advanced engines. But what makes it a quality choice? Your professional engine valve cover manufacturer will help you understand the pros and cons of magnesium engine valve covers and why magnesium engine valve covers are a good choice.
What is a Magnesium Engine Valve Cover ?
Magnesium engine valve covers are protective parts that protect the engine’s valve train, seal out oil and keep out dirt and other contaminants. Made of magnesium alloy, it is extremely lightweight. This material offers a significant weight advantage over aluminum engine valve covers and is the best choice for weight reduction.
Why Choose Aluminum Engine Valve Covers?
| Feature | Magnesium Engine Valve Cover | Aluminum Engine Valve Cover |
|---|---|---|
| Weight | Much lighter than aluminum. | Light,but heavier than magnesium. |
| Cost | Very high | High |
| Strength | High strength-to-weight ratio. | Very strong and durable. |
| Heat Dissipation | Better than aluminum. | Dissipates heat well. |
| Corrosion | Highly susceptible to corrosion. | Can corrode if untreated. |
| Common Use | High-end performance cars, racing. | Daily Driver, High Performance Vehicle |
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Pros & Cons of a Magnesium Engine Valve Covers
Advantages
Magnesium alloys are 35% lighter than aluminum alloys, reducing the total mass of the engine. The result is improved vehicle performance and handling.
Magnesium has excellent thermal conductivity, which keeps the valve train cooler and also extends gasket life.
It has excellent stiffness, which helps dampen engine noise.
Adds a high-end, high-performance flavor to your engine compartment and is a component of top-of-the-line vehicles.
Disadvantages
Material and manufacturing costs are high. As a result, initial purchase costs are high.
Magnesium corrodes easily. It requires a special protective coating, which can peel off and lead to rapid corrosion.
Magnesium is sensitive to chemicals and certain cleaning agents and requires careful handling.
If a crack occurs, it can be difficult to repair. Magnesium is not easily welded, unlike aluminum.
Common Problems with Magnesium Engine Valve Covers
- Corrosion: Corrosion is the most common problem and can lead to leaks.
- Cracks: Magnesium covers, although strong, can crack on impact. Cracks can be caused by dropping tools or over-tightening bolts.
- Gasket Seals: Over time, gaskets can fail due to heat, a common problem with all valve covers. Therefore it is recommended that leaking gaskets need to be replaced.
- Replacement Costs: If the valve cover is damaged, replacement costs can be high and careful handling is important.
Who should consider using a magnesium engine valve cover?
- High Performance Enthusiasts: If you are building a high performance automobile or race car, weight reduction is key and magnesium offers significant advantages.
- Owners of Specific Vehicles: Some vehicles come from the factory with magnesium covers, and it is recommended that these vehicles be replaced with magnesium valve covers.
- Customers looking for advanced upgrades: If budget is not an issue, magnesium offers top-notch thermal management and aesthetics.
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- RM901 No.22 Tangjiaqiao Road Wenzhou China
- +86 138 1973 9327
- sales@kstmetal.com
- https://www.autosparesupplier.com/
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