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Re: Plug reading



Dave,
How are you running the vehicle and reading the plugs ? WOT runs, immediate
shut down and then checking ? What engine, plugs, etc...?
If this was a Holley, I'd go one range leaner from the description and read
again...otherwise it sounds pretty close.

LW.
-----Original Message-----
From: David Cooley <n5xmt@bellsouth.net>
To: gmecm@diy-efi.org <gmecm@diy-efi.org>
Date: March 4, 2000 7:17 PM
Subject: Plug reading


>Hey all,
>Have a question on plug reading.
>This is on a street vehicle running pump unleaded.
>Insulators mostly white, just like new, but on one side and one side only,
>there is a brown half moon shaped area from the center electrode
>down.  It's maybe 1/8" to 3/16" and is darkest next to the top of the
>insulator and fades as it goes down.
>All 8 cylinders are like this.
>No abnormal electrode wear and no audible detonation/ping.
>===========================================================
>David Cooley N5XMT Internet: N5XMT@bellsouth.net
>Packet: N5XMT@KQ4LO.#INT.NC.USA.NA T.A.P.R. Member #7068
>We are Borg... Prepare to be assimilated!
>===========================================================
>
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