There's a reason why the exhaust pipe dripping water, especially with engine starting cold and/or humid days. I don't have a catch can (OCC), but even with that the exhaust pipe would still be dripping when started the engine cold, at least in my view.Mostly water, didn't seem to give a percentage fuel surprisingly -- they said effectively it's hard to measure the other content.
Disclaimer: I am not a fan of OCCs...
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