Fuel line protective sleeve being installed in a car engine.

The Thermaflect Sleeve Quick Test: How Our Fuel Line Protective Sleeve Stops Vapor Lock

The summer’s been hotter than a sauna in the seventh level of hell. For anyone with a carbureted engine, that means the risk of vapor lock increased dramatically.

Quick Heatshield Products tech refresher: Vapor lock is when the fuel in your vehicle gets too hot and starts to go from liquid to vapor inside the lines. If your lines are not properly protected with a fuel line protective sleeve, vapor lock will keep the fuel from flowing and leave you stranded, sweating someplace while you wait f

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