PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

58 degress of timing advance???

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Old Dec 23, 2002 | 11:18 AM
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Default 58 degress of timing advance???

I have a 5.3 l truck and i'm getting 58 degress of timing advance at 5500 rpms and i was wondering if that is to much this is the stock tune and i'm getting no knock retard so would it be ok to add more timing as long as there in no knock or am i not going to see any gains.

marc

<img border="0" alt="[Truck]" title="" src="graemlins/gr_truck.gif" />
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Old Dec 24, 2002 | 12:28 AM
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Default Re: 58 degress of timing advance???

You're not seeing 58 degrees at wide open throttle.
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Old Dec 24, 2002 | 06:58 PM
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From: Haulin Asstro in MN
Default Re: 58 degress of timing advance???

Is that a no load reading?
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Old Dec 25, 2002 | 12:25 AM
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Default Re: 58 degress of timing advance???

Look again, you will see a spike AFTER release WOT, not at WOT
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Old Dec 26, 2002 | 04:34 PM
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Default Re: 58 degress of timing advance???

Correct
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Old Dec 26, 2002 | 07:09 PM
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Default Re: 58 degress of timing advance???

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by redaddiction:
<strong>I have a 5.3 l truck and i'm getting 58 degress of timing advance at 5500 rpms and i was wondering if that is to much this is the stock tune and i'm getting no knock retard so would it be ok to add more timing as long as there in no knock or am i not going to see any gains.

marc

<img border="0" alt="[Truck]" title="" src="graemlins/gr_truck.gif" /> </strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">Your scanner must be lying to you, max timing is more like 41 degrees at part throttle and 22-28 in WOT, not 58.
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Old Dec 27, 2002 | 10:16 AM
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Default Re: 58 degress of timing advance???

I think maximum possible timing for almost any engine is around 45. I doubt it would run with 58 advance.

I am going to side with ZR1 on this one. I think your scanner is lying to you.
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Old Dec 27, 2002 | 11:08 AM
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Default Re: 58 degress of timing advance???

Well, he hasn't answered back so we're just guessing but it's been my experience that %99 of the time the info was not taken at WOT whenever excessive timing advance is reported.
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