Sylvie Willis
When installing brake and fuel lines, it is important to consider the placement of the lines in relation to the frame and the heat generated by the exhaust. One method is to run the fuel line on the passenger side outside the frame rail, away from the exhaust heat, while keeping the brake lines in the stock location on the driver's side. To secure the fuel lines, some people use rubber-insulated straps, while others prefer plain metal straps.
| Characteristics | Values |
|---|---|
| Fuel line placement | Passenger side, outside frame rail |
| Fuel line mounts | Drilled and tapped into the frame |
| Brake line placement | Driver's side |
| Return line | Required |
| Clips | Original style |
| Retainers | Separate |
| Strap type | Rubber-insulated or plain metal |
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What You'll Learn
Running fuel and brake lines with stainless fittings
Planning:
Before you begin, it's important to decide on the routing of your fuel and brake lines. For an 85 Chevy, you may want to consider running the fuel line on the passenger side, away from the exhaust heat, while the brake lines run on the driver's side. This ensures that the fuel lines are not exposed to excessive heat, reducing the risk of leaks or damage.
Materials and Tools:
- Stainless Steel Tubing: Use high-quality stainless steel tubing that meets SAE J1677 and ASTM A249 specifications. Summit Racing offers stainless steel tubing with a standard 0.028-inch wall thickness, adding molybdenum for enhanced corrosion resistance.
- Fittings: Choose fittings that are compatible with your vehicle's fuel and brake systems. Pre-bent brake line kits are available for specific Chevy models, ensuring a proper fit.
- Flaring Tool: You will need a professional-grade flaring tool designed specifically for stainless steel. A mechanical flaring tool can create double flares in the tubing, ensuring secure connections.
Installation:
- Secure the Fuel Lines: When installing the fuel lines, consider using rubber-insulated straps to hold them in place. This provides added protection and insulation from heat.
- Flaring the Ends: Before connecting the lines, use your flaring tool to flare the ends of the stainless steel tubing. This step is crucial for creating a tight seal and preventing leaks.
- Connect the Lines: With the lines securely flared, you can now connect them to the appropriate fittings. Ensure that all connections are tight and secure to prevent leaks.
Final Checks:
Once you've installed the fuel and brake lines with stainless fittings, it's important to perform a thorough inspection:
- Check for Leaks: Inspect all connections for any signs of leaks. Use appropriate fluids to test the lines and ensure that there are no drips or leaks.
- Test Drive: After confirming that the lines are secure and leak-free, take your vehicle for a test drive to ensure that the brake and fuel systems are functioning correctly.
Remember, working on fuel and brake systems can be complex and requires mechanical knowledge. If you're unsure about any steps or encounter difficulties, it's always best to consult a professional mechanic or a specialist in custom automotive plumbing.
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Using original style clips for brake lines
When it comes to using original-style clips for brake lines on a Chevy, there are a few things to consider. Firstly, it is important to ensure that the correct type of clips is used for the specific Chevy model and year. For example, reproduction brake line clip sets are available for 1962-65 Mopar A-Body models, 1966-70 Dodge/Plymouth B-Body models, and 1966 Mopar A-Body models. These clip sets include the correct reproduction clips and bolts needed to securely attach the brake lines to the chassis of the car.
Additionally, when working on brake lines, it is crucial to prioritize safety and follow the recommended procedures. This may involve seeking guidance from reputable sources, such as authorized repair manuals or certified mechanics. It is also important to note that brake lines are considered a safety-critical component, and improper installation or use of incorrect parts can lead to dangerous situations. Therefore, it is generally recommended to seek professional assistance or consult a certified mechanic when dealing with brake line repairs or modifications.
In terms of the fuel line, the routing can vary depending on the specific Chevy model. For a 1985 Chevrolet Truck, Classic Industries offers a range of brake components, including brake lines, hoses, brackets, valves, clips, and fittings. When installing brake lines, it is essential to follow the manufacturer's instructions and adhere to any safety guidelines. This may include using the appropriate tools, wearing protective gear, and ensuring the work area is well-ventilated.
Furthermore, when working with fuel lines, it is crucial to take the necessary precautions to ensure safety. This includes being cautious of any fuel leaks, as well as taking the necessary steps to prevent fires or explosions. It is also recommended to have a fire extinguisher nearby as a safety precaution. Additionally, some Chevy owners and enthusiasts have shared their experiences and suggestions for running fuel lines. For example, one individual shared that they installed their fuel lines on the passenger side, away from the exhaust heat, and used stainless steel lines with stainless AN fittings.
Overall, when working on brake lines and fuel lines for a Chevy, it is important to use the correct parts, follow safety guidelines, and seek professional assistance when necessary. By taking these precautions, you can help ensure a safe and successful project.
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Separate retainers for fuel lines
When running fuel lines on the frame of a Chevy, it is important to consider the use of separate retainers for the fuel lines. Separate retainers for fuel lines provide a secure and organised way to manage the fuel system. Here are some key points to consider:
Firstly, separate retainers can help to simplify the fuel line routing. By using dedicated retainers, the fuel lines can be neatly secured along the frame, ensuring they do not interfere with other components such as brake lines. This makes it easier to access and maintain the fuel lines, as well as any other systems in the vehicle.
Secondly, the use of separate retainers can enhance the overall safety of the fuel system. Fuel line retainers are designed to securely hold the fuel lines in place, reducing the risk of chafing, rubbing, or other damage that could lead to fuel leaks. These retainers are typically made of durable materials, such as steel or plastic, and often come with a limited lifetime warranty, ensuring their reliability.
Additionally, when choosing fuel line retainers, it is important to select the correct size and type for your specific application. Fuel line retainer clips are commonly available in sizes such as 5/16 inch or 11mm, and are designed to securely fasten the fuel lines to the vehicle's frame. These clips are often made of steel or plastic and provide a firm grip while being easy to install and remove when needed.
When installing separate retainers for fuel lines, it is also worth considering the use of insulated straps. While plain metal straps can be used, rubber-insulated straps offer additional protection against vibrations and potential fuel line damage. This can further enhance the safety and longevity of the fuel system.
By utilising separate retainers for fuel lines, Chevy owners can ensure a more organised, secure, and safer fuel system. This can lead to easier maintenance, improved reliability, and overall improved vehicle performance.
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Rubber-insulated straps to secure fuel lines
When installing brake and fuel lines, it is important to consider the routing of the lines to ensure they are secure and protected from heat. One option to secure fuel lines is to use rubber-insulated straps. These straps provide insulation and protection against squeaking.
In a forum post, a Chevy owner mentions that they prefer to use rubber-insulated straps to secure their fuel lines, although they note that plain metal straps are also an option. This preference for rubber insulation may be due to its ability to reduce vibrations and provide a more secure hold, especially in older vehicles.
Rubber-insulated straps for fuel lines are available in various sizes and lengths to fit different vehicle requirements. For example, Summit Racing offers fuel tank anti-squeak strap liners in different materials, thicknesses, widths, and lengths. These liners are designed to fit specific fuel tank strap widths and provide a secure hold while preventing squeaking.
When running fuel lines along the frame of a Chevy, it is important to consider the routing and placement of the lines. In the case of the 85 Chevy, the fuel lines are typically run along the passenger side of the vehicle, away from the exhaust heat. This routing decision ensures the safety and longevity of the fuel lines by reducing their exposure to high temperatures.
By using rubber-insulated straps to secure the fuel lines, Chevy owners can ensure a more secure and protected fuel line installation. These straps not only provide insulation but also help prevent issues like squeaking and vibration, contributing to a smoother driving experience.
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Drilling and tapping frame for fuel line mounts
Drilling and tapping the frame for fuel line mounts on an 85 Chevy requires careful planning and execution. Here are the steps you can follow:
First, decide on the routing of the fuel lines. It is recommended to run the fuel lines on the passenger side, away from the exhaust heat. This will help ensure the safety of your vehicle and prevent any potential issues caused by high temperatures.
Next, you will need to lift the body of the Chevy to access the frame. This can be done by removing the body mounts and using an engine hoist to lift the body, as described by someone who worked on a '69 coupe: "I removed all the body mounts except for the front two, which I loosened. I lifted the back of the body with my engine hoist and allowed it to pivot upward off of the front mounts." It is important to use blocks or other safety measures to ensure the body is securely lifted and stable.
Once the frame is accessible, you can begin drilling and tapping for the fuel line mounts. Determine the exact locations for the mounts, considering the fuel line routing you previously planned. Drill holes at these locations, making sure they are straight and aligned correctly.
After drilling, you will need to tap the holes to create threads for the fuel line mount bolts. Use a tap and die set to cut threads into the drilled holes, following the manufacturer's instructions for the specific thread size and type.
Finally, with the mounts securely in place, you can run the fuel lines along the frame, securing them with appropriate fasteners or clamps. Ensure that the fuel lines do not interfere with any other components, such as brake lines, and that they are safely routed away from potential heat sources.
It is important to note that this process may vary depending on the specific model and configuration of your 85 Chevy. Always refer to the vehicle's service manual or seek advice from experienced mechanics or Chevy enthusiasts for model-specific details and recommendations.
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Frequently asked questions
You can secure the fuel lines with rubber-insulated straps. Plain metal straps can also be used, but rubber-insulated straps are preferred by some for their insulating properties.
The fuel lines should be placed on the passenger side, away from the exhaust heat. The brake lines are typically on the driver's side.
Stainless AN fittings are recommended for the fuel lines.
