Re: unleaded gas

Posted by Tom Stinson on December 01, 1999 at 06:21:05 from (209.214.115.217):

In Reply to: unleaded gas posted by NormZ WI on November 29, 1999 at 17:25:09:

Why don't diesels burn valves without any lead additives? Weren't some old tractors equipped to run kerosene and distillate? Was there any lead in that fuel?
The tetraethyl lead was a cheap, readily available, anti-knock additive used to enhance the octane quality of gasoline at a time when higher cylinder pressures in big engines meant higher power for larger, air conditioned and power equipped automobiles on a new interstate system of roads. Efficiency or emissions were not priorities.The fed finally had enough stamina to 'ask' the fuel manufacturers to stop using those blends when the incidence of lead toxicity became intollerable among inner city children. They finally did stop using lead when auto makers began installing EPA mandated emission equipment like catalytic converters that would not work in the prolonged presence of lead or any other heavy metal exhaust byproducts.
As long as you can tune a motor out of detonation, why use additives? There is lubricative properties, but not needed with the additives found in a 'quality' modern day fuel.
[ie; not the cheapest off brand]
Credit where credit is due; Both auto and fuel manufacturers have come a long way in a rather short period of time.
I bet this will cause some write ins!
Tom S.

Follow Ups:

• Re: Re: unleaded gas Burrhead 20:04:47 12/01/99 (1)
  • Re: Re: Re: unleaded gas THAT'S THE BEST ONE I'VE HEARD LATELY. 12:10:13 12/03/99 (0)

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