Re: Lead Substitute?


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Posted by PitMan on Wednesday, April 19, 2006 at 12:50PM :

In Reply to: Lead Substitute? posted by Ed (LG,NY) on Tuesday, April 18, 2006 at 9:44PM :

“Octane” seems to be one of those things that is measured backwards. The higher the octane, the less volatile the gasoline is. I live in an “oil town” and as a teenager would often burn “casing head” or “drip” gas. (A gasoline that collects at the top of an oil well casing and is let to drip out into a bucket) This drip gas is created by the heat deep inside the oil well evaporating the gas from the oil and then condensing at the cooler top of the well. It is a very volatile gas that will burn fairly well in low combustion engines but is too easily ignited by compression and therefore causes much valve knock in higher compression engines. Adding octane boosters actually slows down the burn of the gas allowing the valves to completely close before reaching its maximum expansion. Also producing more power because the piston is “pushed” from a point farther down the cylinder because of the slower burn.
The newer “non-leaded” octane boosters should be just as effective at reducing valve clatter as lead.
Just “fill-r-up” with premium! Only $3.109 per gallon here.




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