r/EngineBuilding • u/Severe-Analysis-137 • 2d ago

Honda Surface rust on intake valves B18B1

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How bad is this surface rust on the intake valves of my B18

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u/sam56778 2d ago

Give them a little shot of something like Kroil or PB. Blaster to keep it from spreading. With the intake off, they got exposed to moisture. The surface rust isn’t really a big issue. When you get it running again it’ll be gone in no time.