Re: Trials and tribulations

["Rob Higgins" <rhiggins@cavva.com.au>]

The wir you have is high nickel content conductor (for mechanical strength)
with ...yes a teflon compound insulation. it is commonly used in GM products
injector wiring world wide e.g. Opel etc.
heating it will help stripping but it may stretch try a good sharp automatic
stripper or the old type in crimping tool just twist it around to cut
insulation first

Rob

----- Original Message -----
From: rr <RRauscher@nni.com>
To: <gmecm@diy-efi.org>
Sent: Monday, June 26, 2000 8:36 AM
Subject: Re: Trials and tribulations


>
> Definitely not silicone based. Gm doesn't like that stuff anyway, hard
> on the O2 sensors.
>
> Outside is slick, cleans up easy with the wipe of a rag. Unlike the
> connectors that look like nobody believes in air cleaners <g>.
>
> BobR.
>
> wow again, took a second test drive today, with the ve changes from
> this morning. It's working, never ran better, smooth and tractable. No
> doubt about it, It does feel good that its fixed. (you have no idea the
> amount of work I put into the no-start problem. Fixed several marginal
> items before I found the broken splices).
>
>
> Garfield Willis wrote:
>
> > On Sun, 25 Jun 2000 14:16:40 -0400, rr <RRauscher@nni.com> wrote:
> >
> > >Actually, I think that it may be a teflon type of insulation, well aged
> > >of course. . . I found it's best to heat it with a lighter before
stripping.
> > >This stuff is spliced onto the end of the normal pvc wire right before
> > >the tbi. It is exposed to a lot of fuel, sitting in the top of the tbi
above
> > >the injectors.
> > >
> > >This is from the '88-90 full size Chebbie vans with the v8's. The v6
> > >Astro's use the same stuff. Come to think of it, I've seen the injector
> > >connectors burned (as: on fire once), but not the wire insulation.
> > >Maybe it is the teflon insulation.
> >
> > OK, now that sounds like a very real possibility, or perhaps a silicone
> > wire formulation. Teflon and silicone are both used on O2 sensor wires.
> > Is the "finish" on the outside of the wire kinda slick? Anyway, from the
> > sound of you wanting to soften if with high heat to get it to cut/strip
> > more easily, that DOES sound alot like teflon. Silicone-based insulation
> > is usually still fairly flexy, where as teflon of course would explain
> > why it doesn't like to bend either.
> >
> > Gar
> >
>
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