Posted by jdemaris on October 04, 2010 at 10:35:40 from (67.142.130.45):
In Reply to: Re: Lead addatives posted by gene bender on October 04, 2010 at 10:17:03:
It seems a bit silly to say "nobody" needs it. Might be a few out there using their un-updated gas tractors hard.
This sort of thing is more "recent news" in places like South Africa that did not phase out leaded gasoline until 2006. They are now putting potassium in the gasoline as a lead-replacement to protect older engines with soft valve seats.
Yes, the question does come up often, but the frequency of the question proves nothing, one way or the other. These sort of posts tend to get many correct and incorrect responses.
Test data has showed, over and over, that yes . . . in engines with soft valve seats, recession is a problem in engines used extremely hard. Otherwise, it's more of a non-issue.
And, to be fair, lead-replacement formula rarely if ever actually use lead anymore. They tend to use alternate chemicals.
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