[Diy_efi] Spark Plug readings

[r71chevy at earthlink.net]

I thought it reduced the CR.  My understanding was that it would quench
combustion & effectivly reduce the likelyhood of detonation, therefore 
reducing the CR & HP.  Maybe I have it backwards?

BW

On Tue, 30 Jul 2002 10:17:40 -0500 "Eck, Joel" <Joel.Eck at hp.com> wrote:

I, too, see the shiny brown glaze on what was, when new, a flat white ceramic
insulator. and there is some oil on the plugs. you do know that the presence
of oil in the chamber artifically 'raises' the CR, right?

as far as 'bits of piston' on the plugs goes, I don't see it, except for a
slight lump on one of the electrodes, but I can believe it was anti-seize.

I had a roommate one time with a 5.0, and he had problems with oil in #1 and
#8, I don't remember for sure, but I believe he said he fixed it by replacing
the intake gaskets.

-----Original Message-----
From: Brian Renegar [mailto:thomas.renegar at nist.gov]
Sent: Tuesday, July 30, 2002 8:41 AM
To: diy_efi at diy-efi.org
Subject: Re: [Diy_efi] Spark Plug readings


Yes I know not all detonation is audible.  The kinds that you are talking 
about would be though.  It's obvious now that you are seeing effects of the 
camera flash.  There was some anti-seeze on the plug and that accidentally 
got on the electrode when removing it from the engine.  The flash 
accentuates the silver making it look like (to you anyways) that my engine 
is falling apart.  After wiping it off, the electrode was perfect.


>Not all detonation is audible.
>So you see only *extended* detonation as a problem?.
>If your not open to at least trying to understand the answers to the
>guestions you ask, why bother asking them?.
>Remind me, in the future not to waste the time and bandwidth to try and
>answer your posts.

Don't know why your responses are almost always accompanied by an attitude.


_______________________________________________
Diy_efi mailing list
Diy_efi at diy-efi.org
http://www.diy-efi.org/mailman/listinfo/diy_efi

_______________________________________________
Diy_efi mailing list
Diy_efi at diy-efi.org
http://www.diy-efi.org/mailman/listinfo/diy_efi


_______________________________________________
Diy_efi mailing list
Diy_efi at diy-efi.org
http://www.diy-efi.org/mailman/listinfo/diy_efi