Quote:
Originally Posted by Chocaholic
Wonder how an engine designed for gasoline will adapt to natural gas (rings, valves, etc)?
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I don't know about modern high compression engines. Carbureted engines worked very well on CNG and propane. They lasted longer, with less oil contamination and much cleaner combustion chambers. They needed higher compression (10.5:1) to keep the HP on par with gasoline, but that's no problem as CNG has a higher octane rating and handles high compression well.