re: leaded Fuel for fools

["Paul Irvine" <pi@xxxxxxx>]

Matthew Dooher wrote:

>>From: Ferdinando Di Matteo <ferdinando.di@domain.elided>
>>Subject: Leaded fuel for fools
>>When are all of you asking questions about leaded fuel going to smarten
up?
>>No engine ever needs leaded fuel anymore because octane ratings are high
>>enough for all but race cars.  Just forget that lead does anything for the
>>engine!  But ruin the cat con.  Fred Di matteo

>I must disagree
>lead was added to fuel primarily to stop pre-detonation or "pinking"

Matthew - you are correct but the lead additive prevented pre-detonation by
increasing the octane rating of the fuel. 92 octane is still 92 octane
weather it contains lead or not. The fact is that using lead was the
cheapest way for the oil companies to increase the octane level of the fuel.
Unleaded fuel of the same octane rating is not going to cause pre-ignition
problems.

Paul Irvine  - Antioch CA
72 Spider - 79 Sprint Veloce - 82 GTV6
- ---------------------------------------------
Project Alfa - http://www.crl.com/~pi/project
E-Mail - mailto:pi@domain.elided

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