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How much timing?

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Old 02-17-2008, 10:34 PM
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what is COS3?
Old 02-17-2008, 10:38 PM
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Custom Operrating System #3. It is nothing special, especially for an NA vehicle, but it allows for better Fuel control while in SD mode (MAFless). The main reason I am doing it is I am having a hard time calibrating my MAF... Plus it allows the use of both octane tables while in SD and a RPM vs MAP AFR table...
Old 02-27-2008, 08:14 PM
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I was running 34-35* at WOT with no KR.. on a 4.8 with z06 cam.. And was told by BlackGMC that i was running too much so i got it down to 28-29*... Seems to work good
Old 02-27-2008, 10:19 PM
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my table is 29-30 right now, seeing 26ish for the most part at WOT.... still havn't figured the tqm stuff out yet.
Old 02-28-2008, 10:04 PM
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i have a question on this using hp tuners... when im cruising (60+) and let off, the advance goes to 45+ untill i give it gas, is that normal? another member said he thinks so, but you guys might have some insite for me.
thanks
clint
im new to tuning, and im working on my ve tables. while im tuning the ve tables ive noticed i have a little knock. >4 in random places. im tuning those out in the respective cells as i go. is there a timing tutorial that you guys recommend?
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