Plug reading

[nacelp]

Generally, It's the way the plugs are oriented in the chamber, indexing
cures that
With some really wierd fuels (like outdated stuff reformulated to resell)
they can splash read like that, but haven't seen that in 5-6 years now.
Grumpy
  Plug cutting a street engine doesn't need the precision of a NASCAR cut.

----- Original Message -----
From: David Cooley <n5xmt at bellsouth.net>
To: <gmecm at diy-efi.org>
Sent: Saturday, March 04, 2000 9:08 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 at bellsouth.net
> Packet: N5XMT at KQ4LO.#INT.NC.USA.NA T.A.P.R. Member #7068
> We are Borg... Prepare to be assimilated!
> ===========================================================
>
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