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$6E Spark Retard

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Old Jan 26, 2006 | 03:18 PM
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$6E Spark Retard

Hey,

You know the startup spark advance table? If I put in a value of 6 at 90 degrees, that'll give me 6 more degrees of spark advance during crank right? So if I put in -6 at 90 degrees, will that give me 6 degrees of spark retard for easier hot starting?

-HD
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Old Jan 27, 2006 | 06:24 AM
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From: Chasing Electrons
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When cranking the timing is always at the base or initial setting. This is what the districutor is physically set to. The ECM SA tables are only used once the engine is running.

RBob.
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Old Jan 27, 2006 | 09:35 AM
  #3  
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Then what's the "startup spark advance vs. coolant temperature" table for then?

-HD
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Old Jan 27, 2006 | 10:20 AM
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From: Chasing Electrons
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Originally posted by HowdyDuty
Then what's the "startup spark advance vs. coolant temperature" table for then?

-HD
Have a table address?

RBob.
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Old Jan 27, 2006 | 10:49 AM
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18d -> 19a
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Old Jan 27, 2006 | 11:31 AM
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From: Chasing Electrons
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Originally posted by Vader
18d -> 19a
The table at this address is SA added at engine start time. It is decayed out over time. Sometimes referred to as choke spark, the purpose is to help keep the engine running during the first several seconds (or a bit longer when cold).

RBob.
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Old Jan 27, 2006 | 02:16 PM
  #7  
HowdyDuty's Avatar
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Oh ok. Thanks!

-HD
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