EGR disabled and Knocking

[Programmer]

Nope--it'll probably crackle a bit with EGR totally off...you'll
have to rework your main spark tables --try pulling 3-4 out
of everything in the 45-70 kpa map above 2000 RPM spk
table for starters and note if you get a better response.
Lyndon.
-----Original Message-----
From: Brent <WildKat at paonline.com>
To: gmecm at lists.diy-efi.org <gmecm at lists.diy-efi.org>
Date: October 12, 2000 6:53 PM
Subject: EGR disabled and Knocking


>I disabled EGR (1b3 set to 00) on my stock '91 C2500 350/A4, 7747.   When I
>took it for a test drive it knocked alittle during cruise and light
throttle
>accel.   Should disabling EGR cause it to knock?  I thought it would run
the
>same as with EGR on, seeing how EGR adds spark and removes fuel.
>
>Regards
>BrentH.
>
>
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