Computer Diagnostics and Tuning Technical discussion on diagnostics and programming of the F-body computers

How much Spark Advance is to much?

Old Nov 27, 2003 | 09:01 PM
  #1  
cliff929's Avatar
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From: TN
How much Spark Advance is to much?

I had my car on the dyno and I had 331rwhp 407rwtq On the graph it shows that at 5000 rpms there is a problem and by 6000 rpms my car take a dive in power. I have just got the datamaster and scaned the car and at 3000rpms I have 43deg spark advance by the time I get to 6000 I have 48 Is this to much adv? I have been told I dont want more than 38 deg. Is this right? As far as knock the datamaster shows that nowhere in the entire rpm range there is none. This was done at wot . Mods in sig.
If you need more information let me know. I will also begoing with nitrous in the near future
Old Nov 28, 2003 | 09:34 PM
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From: Tampa, FL
These two threads should help you out...

http://web.camaross.com/forums/showt...hreadid=175194

http://web.camaross.com/forums/showt...hreadid=176734
Old Nov 30, 2003 | 09:49 AM
  #3  
cliff929's Avatar
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Posts: 241
From: TN
Thanks for the link

I will be going real soon to finish the dyno tunning on my car with the new opti real soon. I will see how the spark adv might change with the new tunning.
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