Quote from: metroplex on December 25, 2016, 02:55:28 PM
Im not sure a match or lighter would be the same as the combustion chamber conditions? But wouldn't a bit of water or fuel vapor help clean the system or would it just contribute to carbon.
Definitely not the same conditions as a combustion chamber, but I wouldn't recommend holding a match or lighter next to a bucket full of gasoline either.
Water wouldn't contribute to carbon. It's just hydrogen and oxygen. Byproducts of fuel combustion could/do contribute, which is why the valves coke on DI.
I think if that stuff in your can would help keep the valves clean, then the stock engines with no OCC wouldn't have coking issues.
I guess one other possible benefit is maintaining better consistency in the cylinders. If you're tuned and running in very high humidity, perhaps a functioning can could help keep more moisture out of the combustion chamber and allow more consistent performance.
Dunno if anyone has done any experiments with OCC starting with clean valves to see if it truly prevents or significantly delays valve coking, but I feel better about myself as a person not letting that stuff back into the engine. LOL
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