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akxsironduketech4garage · AKX's Iron Duke Tech 4 Garage - A place for 2.5L 151 enthusiasts and tuners
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Spark knock/pinging...   Message List  
Reply | Forward Message #3077 of 3138 |
Re: Spark knock/pinging...

Yes it does retard spark based on coolant temperature, but you have
to be careful if you are planning on artificially manipulating
coolant temp to retard spark because there are fueling parameters
also tied to coolant temp.

There's a slope as I recall (its been a while since I was in the
code, and it was for an 87 engine) that you could adjust timing
retard per degree of coolant temp.

--- In akxsironduketech4garage@yahoogroups.com, "steadeeeddie"
<steadeeeddie@...> wrote:
>
> --- In akxsironduketech4garage@yahoogroups.com, kurtakx <no_reply@>
> wrote:
> >
> > It does not.
> >
> > I have the latest/greatest 1993 engine harness (which I'm in the
> > process of fitting to an 85 engine) and I can tell you with 100%
> > certainty that there's no knock sensor in any fuel injected iron
duke
> > engine wiring from 1982 to 1993.
> ===============================
> kurt---
>
> Thanks for your reply.
>
> I have another question:
>
> Does the Code E timing module and ECM have ANY spark retard
features??
>
> I know that there is no physical knock sensor screwed into the
block..
> but, based on excessive coolant heat, can it somehow retard the
spark??
>
> Thanks for your time...
>
> Steady Eddie
>





Wed Sep 10, 2008 6:51 pm

kurtakx
Online Now Online Now

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Message #3077 of 3138 |
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How does the Iron Duke detect spark knock and pre-ignition pinging? S.E....
steadeeeddie
Offline Send Email
Sep 4, 2008
1:13 pm

It does not. I have the latest/greatest 1993 engine harness (which I'm in the process of fitting to an 85 engine) and I can tell you with 100% certainty that...
kurtakx
Online Now
Sep 4, 2008
1:16 pm

... =============================== kurt--- Thanks for your reply. I have another question: Does the Code E timing module and ECM have ANY spark retard...
steadeeeddie
Offline Send Email
Sep 10, 2008
6:47 pm

Yes it does retard spark based on coolant temperature, but you have to be careful if you are planning on artificially manipulating coolant temp to retard spark...
kurtakx
Online Now
Sep 10, 2008
6:51 pm

... ========================= kurt-- So, I am ass-uming (and not really knowing) that the Code E, OBD1 brain-box and the ignition module *can* retard the spark...
steadeeeddie
Offline Send Email
Sep 11, 2008
12:28 pm
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