Category Archives: Ford Focus RS Expansion Tank 2016+

Tank Love – Expansion Tank R&D, Part 2: Final Reveal

I told you this project was going to move fast. In the last update, we laid down our design plans for how we will give this RS coolant expansion tank some sprucing up. Not only did we make the tank more pleasing to look at, we also increased the capacity and added a neat sight tube so you can check your levels with ease. You guys have been asking for it, so let’s get up close and personal. The stock unit pales in comparison to the size of the Mishimoto tank.Continue Reading ››

Tank Love – Coolant Expansion Tank R&D, Part 1: Design Plans

Anyone with a car older than 15 years or so likely has a coolant expansion tank with the structural integrity of wet toilet paper. These tanks rarely get aesthetic love in the factory vehicle design. They are usually plastic, look weird and can start cracking given enough time. After 20 years, the expansion tank in my 1995 Nissan 240SX project car will literally begin crumbling around your finger if any sort of pressure is applied. We don’t want that happening to your RS/ST a decade or two from now, so we decided to design a sweet looking expansion tank that … Continue Reading ››