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How to Repair a Rusty Car, Motorcycle or Tractor Gas Tank

Posted by David Alkire on Apr 15th 2024

 Welcome to First Place Auto Parts! If you're a seasoned enthusiast of classic American muscle cars or vintage motorcycles, chances are you've encountered the dreaded rusty fuel tank. These relics of the past, while charming in their own right, can pose a challenge when it comes to restoration. Fear not, for in today's discussion, we'll delve into the world of rusty fuel tanks, exploring effective solutions and essential tips to breathe new life into these vintage treasures.

Understanding the Challenge

 Metal fuel tanks have stood the test of time as reliable containers for fuel, but they are susceptible to corrosion, especially when exposed to moisture and ethanol-based fuels. Over time, rust can accumulate inside these tanks, compromising their integrity and fuel quality. Today, we address this challenge head-on, armed with the knowledge and tools to restore these tanks to their former glory.

Selecting the Right Products

 When it comes to treating rusty fuel tanks, one name stands out: POR-15. Renowned for its effectiveness and reliability, the POR-15 family of products offers comprehensive solutions for rust removal and prevention. From cleaners to etchers and sealers, these products are designed to tackle rust at its core, ensuring long-lasting results.

Step-by-Step Restoration Process

1. Preparation

 Before embarking on the restoration journey, it's essential to prepare the tank thoroughly. Remove the tank from the vehicle and disassemble any components attached to it, such as fuel pumps or petcocks. Additionally, ensure the tank is free from any residual fuel or debris.

2. Cleaning and Degreasing

 The first step in the restoration process involves cleaning and degreasing the tank to remove any surface contaminants. Mix the POR-15 cleaner with water as per the instructions and pour it into the tank. Slosh the tank around to ensure thorough coverage, paying special attention to areas prone to rust accumulation.

3. Etching

 Once the tank is clean, it's time to address the rust using a metal etcher. Pour the POR-15 metal prep into the tank and agitate it to cover all surfaces. Allow the etcher to work its magic, converting rust into a more stable surface that's ready for sealing.

4. Drying

 After completing the etching process, it's crucial to ensure the tank is bone dry before proceeding to the next step. Use a heat gun or hairdryer to evaporate any remaining moisture, paying particular attention to hard-to-reach areas like seams and corners.

5. Sealing

 With the tank thoroughly dried, it's time to apply the POR-15 sealer to prevent future rust formation. Pour the sealer into the tank and ensure complete coverage by rotating the tank to coat all surfaces evenly. Allow the sealer to cure for up to four days, ensuring a durable and long-lasting finish.

Tips for Success

  • Masking and Sealing: Use masking tape and duct tape to seal openings and prevent leakage during the restoration process.
  • Ventilation and Protection: Perform the restoration outdoors in a well-ventilated area and wear protective gear, including gloves and eye protection.
  • Thorough Drying: Take the time to ensure the tank is completely dry before applying the sealer to ensure optimal adhesion and longevity.
  • Patience is Key: Allow sufficient time for each step of the process, from cleaning to drying and sealing, to achieve the best results.

Conclusion

Rusty fuel tanks may present a daunting challenge, but with the right products and techniques, they can be restored to pristine condition. By following the step-by-step process outlined above and exercising patience and diligence, enthusiasts can breathe new life into these vintage treasures. At First Place Auto Parts, we're committed to supporting enthusiasts in their restoration endeavors, providing quality products and expert guidance every step of the way.

Thank you for joining us on this journey through the world of rusty fuel tank restoration. Remember to visit fpautoparts.com for all your automotive needs, and until next time, keep the hammer down and keep it between the rails!

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