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1. leaded fuels (score: 1): Author: "Howard Fitzcharles III" <hmfinc@bellsouth.net>; Date: Tue, 14 Oct 2003 09:09:40 -0500; Hi, Don't mean to butt in but leaded fuel did raise octane level and did have a little lub qualities of the valve face and seat only. Most unleaded fuels today have a additive for lub. Keep in mind t; /html/mgb-v8/2003-10/msg00019.html (8,060 bytes)
2. Re: leaded fuels (score: 1): Author: "James Nazarian" <jhn3@uakron.edu>; Date: Thu, 16 Oct 2003 00:11:33 -0400; I may have missed something here since the topic has turned to octane, but my understanding is that fuel doesn't matter. As I understand it, lead lubricated valve seats and stems. Since the BOPR engi; /html/mgb-v8/2003-10/msg00025.html (7,630 bytes)
3. Re: leaded fuels (score: 1): Author: "Telewest $PH$" <paul.hunt1@blueyonder.co.uk>; Date: Thu, 16 Oct 2003 15:01:02 +0100; As another has said lead provides the 'lubricant' for valve seats and faces to prevent recession, unleaded has none (in Europe at least) hence the availability of anti-recession additives, some of wh; /html/mgb-v8/2003-10/msg00027.html (8,774 bytes)

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