Hi Mike, Nolan
I work in Engineering and we make a component that we have PTFE coated,
after it is made we degrease it, it is then plated and degreased, then we
send it out and they degrease it then they coat it with PTFE so why are we
supposed to believe we can pour it in an oily (not degreased) engine and
have it stick. I have been dubious of the product ever since I learned how
difficult it was to get it to stick to grease or oil, come to think of it I
was dubious before that! Get some Molly Slip (Molybdenum Disulphide) I know
that works as we had lost sump plug and no damage after limping the car a
few miles to the garage, (middle of night middle of no where!)
Graham.
2.5 PI MKII
Sprinted Dolomite
2000 MKI
Toledo
1300 Front Wheel Drive
http://www.triumph-iw.co.uk
----- Original Message -----
From: "Nolan Penney" <npenney@mde.state.md.us>
To: <spitfires@autox.team.net>; <mikep@michindust.com>
Sent: Tuesday, July 25, 2000 1:29 PM
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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