1. Introduction
This manual provides detailed instructions and information for the ZD Racing MT8 1/8 RC Monster Truck Original Parts 08427 Metal Aluminum Alloy Chassis, model 8470. This high-quality aluminum alloy chassis is designed as a direct replacement or upgrade part for the ZD Racing MT8 RC Monster Truck, enhancing durability and performance. Please read this manual thoroughly before installation and use to ensure proper handling and longevity of your RC vehicle.
2. Product Overview
The ZD Racing MT8 8470 chassis is a precision-engineered component crafted from durable aluminum alloy. It serves as the foundational frame for your 1/8 scale RC monster truck, providing structural integrity and mounting points for all other components, including the suspension, drivetrain, and electronics. Its robust construction is designed to withstand the rigors of off-road RC racing and bashing.

Figure 1: ZD Racing MT8 Aluminum Alloy Chassis 8470 with branding.

Figure 2: Top view of the chassis, highlighting mounting points.

Figure 3: Angled perspective of the chassis.
3. Specifications
| Attribute | Detail |
|---|---|
| Brand Name | AMORACING |
| Model Number | 8470 |
| Material | Metal (Aluminum alloy) |
| For Vehicle Type | Cars (RC Monster Truck) |
| RC Parts & Accs | Aluminum alloy chassis |
| Upgrade Parts/Accessories | Aluminum alloy chassis |
| Tool Supplies | Cutting (implies tools for assembly/disassembly) |
| Four-wheel Drive Attributes | Assemblage |
| Recommend Age | 14+ years |
| Quantity | 1 pcs |
| Is Electric | No Battery |
| Is Batteries Included | No |
| Origin | Mainland China |
Note on Dimensions: While specific dimensions are not provided, the chassis is designed for 1/8 scale ZD Racing MT8 RC Monster Trucks. It is recommended to compare with your existing chassis or vehicle specifications for compatibility.
4. Installation Guide
This aluminum alloy chassis is intended for replacement or upgrade of the ZD Racing MT8 RC Monster Truck. Installation requires careful disassembly and reassembly of your RC vehicle's components.
4.1. Required Tools
- Hex wrenches (various sizes, typically 1.5mm, 2.0mm, 2.5mm, 3.0mm)
- Phillips head screwdriver
- Needle-nose pliers
- Hobby knife or small cutting tool (as indicated by "Tool Supplies: Cutting")
- Thread-locking compound (medium strength, optional but recommended for metal-to-metal screws)
4.2. Installation Steps
- Preparation: Ensure your workspace is clean and well-lit. Have a container ready to organize screws and small parts.
- Disassembly:
- Carefully remove the body shell of your ZD Racing MT8.
- Disconnect and remove all electronic components (motor, ESC, receiver, servo, battery) from the old chassis.
- Systematically remove suspension arms, shock towers, differentials, transmission, and any other components attached to the old chassis. Pay attention to the orientation and placement of each part.
- Keep screws and associated parts organized, perhaps in labeled bags or compartments, to simplify reassembly.
- Chassis Replacement:
- Place the new ZD Racing MT8 8470 Aluminum Alloy Chassis on your workspace.
- Begin reassembling components onto the new chassis in reverse order of disassembly.
- Start with major structural components like the bulkheads, shock towers, and suspension mounts.
- Attach the transmission and differentials, ensuring gears are properly meshed and lubricated if necessary.
- Mount the suspension arms and shocks.
- Electronics Installation:
- Reinstall the motor, ESC, receiver, and servo onto their designated mounting points on the new chassis.
- Ensure all wiring is neatly routed and secured, avoiding interference with moving parts.
- Connect all wires according to your RC vehicle's original wiring diagram.
- Final Checks:
- Double-check all screws for tightness. Apply thread-locking compound to metal-to-metal screws where appropriate to prevent loosening from vibrations.
- Verify that all moving parts (suspension, steering, drivetrain) operate smoothly without binding.
- Ensure no wires are pinched or obstructing movement.
- Reattach the body shell.

Figure 4: Detailed view of chassis mounting points for components.
5. Operating Considerations
The chassis itself does not have operational controls; it provides the structural foundation for your RC monster truck. Proper installation ensures optimal performance of your vehicle. A well-maintained chassis contributes to:
- Structural Integrity: Keeps all components aligned and secure during high-impact driving.
- Handling: A rigid chassis provides consistent handling characteristics.
- Durability: The aluminum alloy construction offers superior strength compared to plastic alternatives, reducing the risk of damage from crashes and jumps.
6. Maintenance
Regular maintenance of your chassis is crucial for the longevity and performance of your ZD Racing MT8 RC Monster Truck.
6.1. Post-Run Inspection
- Cleanliness: After each run, especially in dirty or wet conditions, clean the chassis to remove dirt, mud, and debris. Use a soft brush, compressed air, or a damp cloth. Avoid harsh chemicals that could damage the finish.
- Visual Inspection: Check the chassis for any signs of bending, cracks, or stress marks. Pay close attention to mounting points and edges.
- Fastener Check: Inspect all screws and bolts attached to the chassis. Tighten any that appear loose. Consider using thread-locking compound on critical fasteners during reassembly to prevent them from vibrating loose.
6.2. Periodic Deep Cleaning
Periodically, a more thorough cleaning and inspection may be necessary, especially if you notice any performance issues or after particularly demanding use. This might involve partial disassembly to access hard-to-reach areas.
7. Troubleshooting
While the aluminum alloy chassis is highly durable, issues can arise. Here are some common troubleshooting tips:
7.1. Chassis Bending or Cracking
- Cause: Severe impacts, extreme jumps, or prolonged stress.
- Solution: A bent or cracked aluminum chassis typically requires replacement. Attempting to straighten a bent aluminum chassis can weaken the material further.
7.2. Loose Components on Chassis
- Cause: Vibrations during operation can loosen screws over time.
- Solution: Regularly inspect and tighten all fasteners. Use a medium-strength thread-locking compound on metal-to-metal screws during assembly to prevent loosening.
7.3. Unusual Noises or Vibrations
- Cause: Can indicate loose components, damaged parts mounted to the chassis, or improper assembly.
- Solution: Perform a thorough inspection of all components attached to the chassis. Check for loose screws, damaged gears, worn bearings, or misaligned parts. Ensure the motor and transmission are securely mounted.
8. User Tips
- Organize Parts During Disassembly: When replacing your old chassis, use small containers or a magnetic mat to keep screws and small parts organized. Label them according to their location on the vehicle to make reassembly easier.
- Use Threadlocker: For metal-to-metal screw connections, a small drop of medium-strength thread-locking compound can prevent screws from backing out due to vibrations, especially in high-stress areas like suspension mounts or motor mounts.
- Inspect for Wear: While the aluminum chassis itself is durable, regularly check other components mounted to it, such as suspension pins, hinge pins, and plastic parts, for wear or damage. Replacing these proactively can prevent larger issues.
- Clean Regularly: Dirt and debris can cause premature wear on moving parts and obscure potential damage. A quick clean after each run helps maintain your RC truck's performance and allows for easier inspection.
9. Warranty and Support
For any questions regarding the ZD Racing MT8 8470 Aluminum Alloy Chassis, including installation assistance, compatibility concerns, or potential defects, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase for any warranty claims.
Manufacturer: AMORACING