Thanks for the explantation of these things! Good to know!
Laura G.
>
>From: "Nolan Penney" <npenney@mde.state.md.us>
>Date: Tue, 25 Jul 2000 08:29:58 -0400
>To: spitfires@autox.team.net, mikep@michindust.com
>Subject: Re: Fram Oil Filter
>
>
>PTFE is a solid particle that clumps and expands with heat. It absolutely
>cannot bond to an oily surface. The best you can hope for is that it will
>clump together in large enough chunks to be captured by the oil filter
>(blinding it) before it gets into the galley. In the galley it is quite
>capable of creating large enough clumps to block oil flow and stick rings.
>
>In every lab study done with PTFE additives they resulted in no benefit at
>best, to extensive engine wear at worse.
>
>Slick-50, currently owned by Quaker State Oil, has been prosecuted by the FTC
>for fraudulent and deceptive advertising. Dupont originally sought a
>prohibitive injunction against the marketing of PTFE (Teflon being their trade
>name for PTFE) as an oil additive because they knew it was unsuited for this
>application, but the courts ruled against them.
>
>
>
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