Quote:
Originally Posted by flatbutt
This is what I've been told would damage my engine, but I've been following this practice my entire driving life and have never had an engine blow up or need a re-build. I'm no mechanic so I don't get how running rich can damage the cylinder wall outside of the rings.
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It would only be true if the engine was running extremely rich after warming up. There is no harm in an engine running rich while cold, every IC engine in the world does or it would not run at all.