plug readings vs electronics

[Jörgen Karlsson]

----- Original Message -----
From: "Jason Mauldin" <jmauld at yahoo.com>
To: <diy_efi at diy-efi.org>
Sent: Thursday, October 11, 2001 7:19 AM
Subject: Re: plug readings vs electronics
<snip>
> I've witnessed this firsthand.  I logged a knocksum of
> about 20 and watched my EGT's climb.
>
> If there's no association please explain.

Was it a lean mixture that caused the detonation? That in it self will make
the EGT climb.

I have done some ignition timing adjustmentd using EGT, the temperature
would decrease rapidly with advanced ignition and when detonation occurs the
temperature haven't changed.

Jörgen


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