Join Date: Apr 2020
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I am not obligated to provide anything in writing to you. I'm an MD not a mechanic and do not know if nitrogen helps to keep the valves clean of carbon build up. I see you are implying Shell is making these things up and it is only a marketing trick. Maybe, who knows? I also recommend patients not to smoke, people who smoke still get 95 years old but the "chance" to stay healthy longer is absolutely more likely for "most" people.
Dr. …….You are reading too much into my post. I did not say you were obligated to provide anything in writing to me .
I merely asked you to point myself and the other forum members to some proof of what you stated.
Many, many companies use marketing tricks on the public. Buyer beware.
Please don't be so defensive and sensitive.