Re: Gasoline: Leaded or Unleaded ??

Posted by JoeK on September 08, 2004 at 20:28:31 from (64.91.85.26):

In Reply to: Re: Gasoline: Leaded or Unleaded ?? posted by Alberta Mike on September 08, 2004 at 20:17:05:

Yrs ago when compression pressures began climbing tetraethyl lead was added to the mix to slow down the violent explosion of the fuel/air mix(detonation)and provide a better"push" against the piston on the power stroke and cool the compression chamber/valves.Most engines under 8.5:1 compression or so and 2 strokes have no need for this.Lead substitution additives are principally for use in high compression engines,such as the muscle car engines of the 60s.

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• Re: Gasoline: Leaded or Unleaded ?? Joe Evans 20:40:44 09/08/04 (0)

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