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timing advance
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  1. Newbie Zone
    I've noticed that when I monitor my timing advance (KR) it's usually around -20 to -25 degrees during normal driving. WOT it'll hit 0 degrees but that's the most I've seen. Is this normal on a stock N/A 3800? The only thing I've really done so far is the ZZP "tune".
  2. PCM's & Tuning
    I have an ultra gauge which can detect knock retard but I have never seen any value besides 0. Also under normal driving my timing is -27deg, is this normal? Here is the info and list of mods on my car. My car is a 97 pontiac GTP, it has full exhaust with resonator delete, wrapped headers to...
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