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stepbox · 10-23-2017, 11:52 AM

I've used this stuff for years,I have a 53 ford flathead hotrod I use it on a regular basis ,in the oil, in the gas tank small amount in the carb.Helps keep everything clean,stops valve noise.Great stuff

10-23-2017, 11:52 AM	#40
stepbox Registered User Join Date: Dec 2015 Location: Grand Rapids Mich. Posts: 50	Re: Marvel Mystery Oil....users? I've used this stuff for years,I have a 53 ford flathead hotrod I use it on a regular basis ,in the oil, in the gas tank small amount in the carb.Helps keep everything clean,stops valve noise.Great stuff