Re: Lead fuel vs. unleaded fuel

Posted by Jed on February 26, 2004 at 10:17:21 from (66.212.143.210):

In Reply to: Lead fuel vs. unleaded fuel posted by Tom on February 25, 2004 at 10:49:27:

I have heard a lot of good comments and just thought I would add my 2 cents worth. For the last odd 20 years I have been involved with refineries and lab testing. In that time period we have dealt with both the lead issue in gasoline and the oil additives issues. We still do that work today.
Pa. grade crude is still around. It comes out of Bradford , Pa., under the Brad Penn & Penn Champ labels. It used to be Witco and they sold Kendall.
Heck Sunoco bought the brand name and moved it east. When they say Pa. grade crude it is simply a smoke screen. A lot of base oils sell on the "spot market".The basic oil formulations are the same, but oil is oil. They figure who to heck really cares. When you hear you get what you pay for, beleive it. Whether it's gasoline or oil it is blended to a specification usually just enough to meet the minimum testing requiements.
When it comes to leaded gasoline a lot of the old engines ran on kero or some sort of middle distillate. Heck they used to dump the light and really heavy ends into the rivers to get rid of it. There was little if any control over product specs. What lead there was occured naturally and it was ever so little. To make a long story short the amount of lead needed is insignificant to matter. By adding a cup of racing fuel every year you get what you need for valves.

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