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Lead also has lubricant properties for things like mechanical fuel pumps and injection, valve seats and stems, so it's not just for octane boosting you need to
by Neil44 4y ago
Lead also has lubricant properties for things like mechanical fuel pumps and injection, valve seats and stems, so it's not just for octane boosting you need to replace the lubricant too.
- bdefore 4y agoAre there unique design constraints for engines used in general aviation that these components couldn't have a lubrication strategy akin to engines that work with unleaded fuel?
- Neil44 4y agoNope it's just all the old planes flying around that require it. As the engine in a plane could be considered to be fairly safety critical people are extremely resistant to trying new things on it.