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aluminum expansion tank

  1. The Chink in the Armor - Aluminum Expansion Tank R&D, Post 1: Stock Review

    The Chink in the Armor - Aluminum Expansion Tank R&D, Post 1: Stock Review

    It goes without saying that the cooling system routed throughout the engine bay of any vehicle works best when the coolant stays in the system. It's one of the main design requirements in fact. If that sounds familiar, that's because this same statement was made about the Ford 7.3 Powerstroke's expansion tank, which begs the question, is there a chink in the armor of Ford's self-proclaimed tough built trucks?

    While most of the F-150 is "Built Ford Tough" the factory expansion tank doesn't exactly live up to that standard.
    While most of the F-150 is "Built Ford Tough" the factory expansion tank doesn't exactly
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  2. Tank Love - Coolant Expansion Tank R&D, Part 1: Design Plans

    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 will outlast the car and be a nice addition to your engine bay.

    The stock cap is has a pressure limit of 21psi
    The stock cap on the RS has a pressure limit of 21psi

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