WPSLPGExhaust Gas Oxygen (EGO) sensor Information

[rr]

This brings up a good question: Is it safe to pull the plugs on
an aluminum head while its hot? I've always been taught that its
trouble to do this, always wait until the engine cools before changing
the spark plugs.

BobR.

Programmer wrote:

> Most spark plug catalogues have pictures of spark plug damage and
> what the solution is on the back pages...reading for tuning gets into
> a new ball game. Light brown to NO color is perfect, IMO...and as close
> as you need to get. Run WOT for 1/4 mile--shut down immediately--pull
> all plugs and note color changes.
> Lyndon.
> -----Original Message-----
> From: Dave & Irina Eicher <sailors at mwci.net>
> To: diy_efi at diy-efi.org <diy_efi at diy-efi.org>
> Date: August 8, 2000 5:52 AM
> Subject: Re: WPSLPGExhaust Gas Oxygen (EGO) sensor Information
>
> >What is the best way to learn to read plugs? Is there a book or manual
> >somewhere for those of us who have no experience at it? thanks,  dave
> >

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