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Total 13 documents matching your query.

1. lead substitute fuel additive (score: 1): Author: Pointparty@aol.com; Date: Thu, 15 Apr 2004 11:49:46 -0400; Year ago I had the head of my 71 mgbgt redone to accomodate premium 93 octane unleaded gasoline. But, several years ago I began adding a lead subsitute from time to time when filling up. Any one? tha; /html/mgs/2004-04/msg00263.html (7,666 bytes)
2. Re: lead substitute fuel additive (score: 1): Author: Charles & Peggy Robinson <ccrobins@ktc.com>; Date: Thu, 15 Apr 2004 12:42:31 -0500; Well, the additive won't hurt but if you had hardened valve seats installed, it's not necessary. Cheers, CR; /html/mgs/2004-04/msg00266.html (8,120 bytes)
3. Re: lead substitute fuel additive (score: 1): Author: Max Heim <mvheim@studiolimage.com>; Date: Thu, 15 Apr 2004 11:47:46 -0700; I don't see how the lead substitute can provide any increased performance, unless it is also an octane booster, and then only if you advance the timing to take advantage of that. If you have hardened; /html/mgs/2004-04/msg00267.html (8,653 bytes)
4. Re: lead substitute fuel additive (score: 1): Author: Pointparty@aol.com; Date: Thu, 15 Apr 2004 17:05:35 -0400; thanks to all who replied, the consensus seems to be the improvement is in my imagination. However, the containers also brag about octane boost, which makes sense, since the primary difference betwee; /html/mgs/2004-04/msg00271.html (8,188 bytes)
5. Re: lead substitute fuel additive (score: 1): Author: "Paul M." <rowman22001@yahoo.com>; Date: Thu, 15 Apr 2004 14:14:34 -0700 (PDT); Several years ago, when I was working at RENNTech, we did a lot of very careful testing of octane boosters to see what they really do. We did a lot of dyno runs - using dynamically tunable engine man; /html/mgs/2004-04/msg00272.html (9,635 bytes)
6. Re: lead substitute fuel additive (score: 1): Author: Max Heim <mvheim@studiolimage.com>; Date: Thu, 15 Apr 2004 14:37:41 -0700; Yes, but the purpose of lead substitute is to protect valve seats from recession in the absence of lead. There are products marketed as octane boost which are for the purpose of boosting octane (duh); /html/mgs/2004-04/msg00273.html (9,624 bytes)
7. RE: lead substitute fuel additive (score: 1): Author: "Richard G. Poole" <richp@poolelan.com>; Date: Thu, 15 Apr 2004 16:57:34 -0500; The lead is also supposed to provide a coating on the valve seat to prevent the valve from welding itself to the seat. The hardened valve seats don't suffer this. I didn't install hardened seats, and; /html/mgs/2004-04/msg00274.html (9,981 bytes)
8. Re: lead substitute fuel additive (score: 1): Author: Charles & Peggy Robinson <ccrobins@ktc.com>; Date: Thu, 15 Apr 2004 20:27:48 -0500; An octane boost doesn't mean you'll get more power. Higher octane means greater anti-knock resistance.; /html/mgs/2004-04/msg00278.html (8,522 bytes)
9. Re: lead substitute fuel additive (score: 1): Author: Bob Howard <mgbob@juno.com>; Date: Fri, 16 Apr 2004 09:28:31 -0400; According to an article in Invention & Technology on the guy who developed tetraethyl (sp?) lead for a motor fuel additive, octane improvement was the goal and the success. By improving octane with t; /html/mgs/2004-04/msg00285.html (9,216 bytes)
10. RE: lead substitute fuel additive (score: 1): Author: "Larry list account" <list@marketvalue.net>; Date: Fri, 16 Apr 2004 08:24:33 -0600; And they are still around today: http://www.ethyl.com/ Larry Hoy; /html/mgs/2004-04/msg00288.html (8,335 bytes)
11. Re: lead substitute fuel additive (score: 1): Author: "Paul Hunt" <paul.hunt1@blueyonder.co.uk>; Date: Fri, 16 Apr 2004 15:14:48 +0100; Certainly goes along with my experiences in the UK where running 'standard' unleaded with an octane booster gave markedly worse results than 'super' unleaded without. But if they *did* raise octane,; /html/mgs/2004-04/msg00289.html (8,560 bytes)
12. Re: lead substitute fuel additive (score: 1): Author: "Paul Hunt" <paul.hunt1@blueyonder.co.uk>; Date: Fri, 16 Apr 2004 15:18:32 +0100; Just so. Originally *all* engines had hardened seats and valves, deleted once the VSR protection benefits of lead had been understood. Originally massive (relatively) amounts of lead were being used,; /html/mgs/2004-04/msg00290.html (8,395 bytes)
13. Re: lead substitute fuel additive (score: 1): Author: Elliott & Martha DeGraff <degraff@erols.com>; Date: Fri, 16 Apr 2004 11:05:24 -0400; I remember that in one of the earliest books I read in second grade in 1940, the statement was made that we would run out of oil in 1947. This was based on the current usage and the proven oil reserv; /html/mgs/2004-04/msg00292.html (9,238 bytes)

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