[AT] unleaded gas

Chris Britton c.britton at worldnet.att.net
Wed Aug 2 17:51:16 PDT 2006


I always thought tetra ethyl lead was added for octane enhancement / 
preventing spark knock ( pre-detonation.. not valve lube.. etc???

Soundguy

>Of course, when they took the lead out of gasoline, all the old
> car/truck/tractor/boat engines would have their valves burn up the next
> day. That didn't happen either. But people still buy "lead substitute"
> to add to their gas.
>
> Mike





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