<VV> Teflon Tape?

[Bob Gilbert]

Hi,
Thanks everybody - just to be clear, this is on NPT threads and electrical
connectivity is not an issue so I'll use it as per the instructions.
Bob


-----Original Message-----
From: virtualvairs-bounces at corvair.org
[mailto:virtualvairs-bounces at corvair.org] On Behalf Of Sethracer at aol.com
Sent: April-17-12 10:09 PM
To: corvairduval at cox.net; virtualvairs at corvair.org
Subject: Re: <VV> Teflon Tape?

One more note, though. If you use an excess of Teflon tape on the threads of
a switch, such as the oil pressure switch used on the corvair, It is
possible  to isolate the body of the switch from a good ground, thus
defeating the  purpose of the switch. The warning light might not come on at
all - easily  checked at engine start-up - but not the suggested situation.
Just go easy on  the tape, or use a switch with an external ground path. And
the tape is only for  use on tapered threads, as mentioned.
 
-Seth Emerson  
 
 
In a message dated 4/17/2012 8:15:28 P.M. Pacific Daylight Time,
corvairduval at cox.net writes:

Yes, it  works fine on NPT connections.  It was designed to be used with NPT
connections. These would include oil pressure threads.

The warning is  for standard flare and inverted flare fittings as found on
fuel and brake  lines. Teflon (PTFE) tape is NOT designed for these
connections.

Frank DuVal

On 4/17/2012 11:02 PM, Bob Gilbert  wrote:
> Hi,
>
>
>
> I was in the process of  installing an oil pressure gauge and noted 
> that
the
> instructions  called for Teflon tape on the threads. I seem to 
> remember reading here  some time ago that this was a no-no for an 
> automotive  application.

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