Did they have to track down leaded gas? Did they just use unleaded? Did they suffer engine knock?

  • seathru@lemmy.sdf.org
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    5 months ago

    It wasn’t in fuel just for it’s octane boost. Some early engines that were designed to run on leaded fuel had valve seats made of softer metal and relied on lead’s lubricating/sealing properties. When unleaded fuel was used, the valves wouldn’t seal as well and the seats would wear prematurely.