[Diy_efi] Thermal barrier coatings
Adam Wade
espresso_doppio at yahoo.com
Tue Jan 21 23:28:25 GMT 2003
--- arnie <arnie_ at charter.net> wrote:
> Any surface that is heated by either the combustion
> process or friction uses oil for cooling. If those
> surfaces repel oil, oil will no longer be effective
to
> remove heat.
Of course, if the teflon is part of a THERMAL BARRIER,
there should be substantially less heat in the part to
be carried away... And the piston skirt will still
receive oil on the back side.
I wouldn't be very concerned about using a teflon mix
on the bore of a valve guide, either, since not much
oil passes through there. I'd not want to use it on
wrist pin bushings, though; not enough oiling on the
rest of the top end of the con rod/wrist pin with
teflon in there, I would think. I'd like to see
someone test that, though.
=====
| Adam Wade 1990 Kwak Zephyr 550 (Daphne) |
| http://y42.photos.yahoo.com/bc/espresso_doppio/lst?.dir=/ |
| "It was like an emergency ward after a great catastrophe; it |
| didn't matter what race or class the victims belonged to. |
| They were all given the same miracle drug, which was coffee. |
| The catastrophe in this case, of course, was that the sun |
| had come up again." -Kurt Vonnegut |
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