Which Material is Better for Engine Guards?

3 Answers
DeReese
07/29/25 5:18pm
Engine guards come in the following materials: 1. Hard plastic/resin guards: These are relatively inexpensive and simple to manufacture. They can easily handle erosion from mud and sand, as well as minor scratches and scrapes to the undercarriage. However, their overall strength is inferior to steel plates. While they have some toughness, they can easily shatter under slightly severe impacts, which ironically helps the engine to sink smoothly in the event of a serious accident. It's worth noting that this material is prone to breaking, especially in winter, and once damaged, it cannot be repaired, failing to provide long-term protection. 2. Steel plate guards: The advantage of steel plate material is its strong impact resistance and low cost. In severe accidents, steel plates tend to deform rather than break, but this can interfere with the engine's safe sinking during a collision and may even cause the engine to be damaged first due to the deformation of the steel plate. Therefore, it has both advantages and disadvantages. 3. Aluminum alloy (titanium alloy) guards: The advantage of aluminum alloy (titanium alloy) guards is that they are lighter than steel guards. However, they are more expensive, lack elasticity, can hinder engine sinking, are prone to resonance, and have lower material strength. 4. Alloy plastic-steel guards: The characteristics of alloy plastic-steel material are light weight, high toughness, and strong pressure resistance. They also exhibit excellent physical properties such as rigidity, elasticity, corrosion resistance, and aging resistance.
Was this review help?
18
2
Share
McKhloe
08/14/25 8:00am
To be honest, which skid plate material is the best? I've driven for over ten years and tried different materials: steel is the toughest and most durable, capable of withstanding rock impacts, making it suitable for rough rural roads or off-roading, but it's expensive, heavy, and may affect fuel efficiency; aluminum alloy is much lighter, offers good protection, and is moderately priced, making it reliable for daily city and highway driving; plastic or resin is cheap and lightweight, easy to install, but only suitable for flat roads and prone to scratches. My suggestion is: if you often drive on uneven roads, prioritize steel; if you're on a budget and mainly drive in the city, aluminum alloy is the golden choice; plastic is only for saving money or short trips. Don’t forget to ensure the bolts are tight during installation to avoid rattling noises.
Was this review help?
6
4
Share
Expand All
LeFrancisco
10/13/25 6:13am
As an amateur car modder, I highly recommend aluminum alloy for skid plates! It's lightweight and corrosion-resistant, without affecting suspension response and acceleration performance; steel is too heavy, increasing unsprung mass and worsening handling; composite materials like plastic are lighter but offer weaker protection, only suitable for street driving. For a balanced performance, aluminum alloy is the best choice; titanium alloy is theoretically superior but ridiculously expensive. Remember to choose skid plates based on ground clearance – too low and it's prone to scraping, affecting aerodynamics. This thing enhances protection without dragging you down, awesome!
Was this review help?
3
1
Share
Expand All
More Forum Discussions

How to Fix a Swollen Battery?

A swollen battery cannot be repaired. Here is relevant information: 1. Causes of battery swelling: In valve-regulated sealed lead-acid batteries during charging, especially in series battery packs, overcharging can lead to poor internal gas recombination in low-quality batteries, resulting in bulging. Setting the float voltage too high or using excessive charging current accelerates oxygen evolution on the positive plate, which cannot recombine at the negative plate in time. Meanwhile, the battery temperature rises rapidly. If venting is delayed and pressure builds up, the valve-regulated sealed lead-acid battery may bulge and deform. To prevent this, users should reduce float voltage and charging current, and avoid using low-quality batteries. 2. Battery maintenance: To extend battery life, overcharging must be avoided. First, check if the charger is qualified—cheap chargers often have significant parameter drift, such as maintaining high charging current and voltage even after the indicator light turns off. Such chargers are battery killers. Lead-acid batteries are much more durable than lithium batteries, and occasional slight overcharging is not a major issue. However, long-term overcharging will shorten battery life. The simplest way to prevent bulging is to strictly control charging time.
17
3
Share

Is there compensation for the Corolla high-pressure fuel pump recall?

There is compensation for the Corolla high-pressure fuel pump recall, usually in the form of coupons or similar benefits. The working principle of the high-pressure fuel pump is as follows: 1. Suction stroke: During the suction process, the downward movement of the pump piston provides the power for fuel suction, while the intake valve opens, allowing fuel to be drawn into the pump chamber. In the final third of the pump piston stroke, the fuel pressure regulator is energized, keeping the intake valve open during the initial upward movement of the pump piston to allow fuel return. 2. Return stroke: To control the actual fuel supply, the intake valve remains open during the initial upward movement of the pump piston, allowing excess fuel to be pushed back to the low-pressure side by the pump piston. The pressure damper absorbs the pressure fluctuations generated during this process. 3. Pumping stroke: At the beginning of the pumping stroke, the fuel pressure regulator is de-energized, causing the intake valve to close under the combined action of the rising pressure in the pump chamber and the closing spring inside the valve. The upward movement of the pump piston generates pressure in the pump chamber, and when this pressure exceeds that in the fuel rail, the outlet valve opens, allowing fuel to be pumped into the fuel rail.
19
0
Share

What are the functions of the GAC Trumpchi M8 key?

Trumpchi M8 function introduction: 1. USB music can be viewed by folder: After inserting a USB drive, open Local Music - USB Music. In addition to browsing all songs on the USB drive, you can also view songs by folder, making it convenient to listen to songs in a specific folder on the USB drive. 2. Screensaver function: Press the central control panel to easily activate the screensaver function. The screensaver page only displays key information such as date and air conditioning, providing a purer driving experience. When listening to music at night or during driving, there is no need to turn on the screen, reducing screen interference and bringing more convenience and safety to your journey. 3. Optimized account login: The Trumpchi M8 has optimized the convenient login function for Trumpchi accounts, allowing easy login in any driving scenario. Additionally, the linkage experience between the Trumpchi account and seat position memory has been further upgraded. Adjusting to a more comfortable seat position during driving can also be easily saved with one click, accurately memorizing the seat position anytime and anywhere.
12
2
Share

Is the Ford Focus a Three-Cylinder or Four-Cylinder?

Ford Focus vehicles are all equipped with three-cylinder engines. Below is extended information about the Focus: 1. The new Ford Focus incorporates a series of advanced in-car smart technologies, providing drivers and passengers with a more convenient, safe, and comfortable driving experience. With these upgraded smart technologies, drivers can effortlessly control the vehicle and maintain real-time connectivity while driving. 2. The interior of the new Focus retains the current sporty and stylish design, with clear layering: The Plugyourselfin wrapped interior design creates a personalized driving space for owners, with interior color schemes and material choices that are more premium. The interior of the new Focus maintains the current sporty and stylish design, with clear layering. 3. In terms of the powertrain: In addition to continuing with the current 1.6L naturally aspirated engine, the new Focus also adopts two turbocharged engines, the 1.0GTDi and 1.5GTDi, both equipped with engine start-stop technology. The new Focus features the ECOBOOST emblem on its exterior for the first time, signaling its entry into the turbocharged power lineup, offering efficient and powerful performance while further improving fuel economy.
13
4
Share

What cable does the Volkswagen car CD RR+ connect to?

RR+ is the rear right speaker, connect to the positive wire. Maintenance precautions for car CD players: Changing discs: When the vehicle is driving on bumpy roads or passing speed bumps, try not to change discs. Strong bumps can easily cause disc misalignment. It is advisable to change discs when the vehicle is driving relatively smoothly or when parked. Standard discs: Standard discs should be used. Deformed discs, irregularly shaped discs, discs that are too thin or too thick, cut discs, and discs with adhesive labels can all cause disc jamming. Repairing faults: The mechanism of multi-disc CD players is complex. If a fault occurs, it must be repaired at a service station. Do not disassemble it arbitrarily to avoid expanding the fault range due to human error. Function buttons: Avoid switching buttons too frequently. Switching from one function to another always requires a certain time interval. Pressing the buttons multiple times in succession will cause the mechanism to work too frequently, leading to CD jamming.
14
3
Share

How many years are left for a 2009 car to be scrapped?

Under the previous 15-year scrappage regulation, a 2009 car would be scrapped in 2024. However, the current policy determines scrappage based on mileage, with a maximum limit of 600,000 kilometers. Additional details are as follows: Annual inspection: Cars still in use after 20 years must undergo inspections four times a year. According to regulations, the typical service life of a car is around 15 years. The actual lifespan depends on usage conditions. Generally, some vehicles, such as 5-seat family cars, 7-seat SUVs, and compact cars, have no mandatory scrappage period. However, once a vehicle reaches 600,000 kilometers, the government will guide owners to scrap it. For cars older than 15 years but with mileage under 600,000 km, inspections are required every six months. If the car passes inspection, it can continue to be driven; otherwise, it will be forcibly scrapped. Failing to scrap a vehicle that should be retired may affect driver's license renewal or annual vehicle inspection.
6
2
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.