Quote:
Originally Posted by blackx1x35
Could I ask for some assistance too? I don't know what to look for in the MHD logs for knock. Unfortunately live in Nevada so I will be running ACN maps especially in the winter. Would like to try regular 91 in the summer but want to keep an eye out to make sure I'm not compromising longetivity.
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Look at your timing graphs.
if you have a timing COR (corrected) set up. Ideally you dont want to see any negative values. Always 0. But -3 degrees on 2 cylinders or 3 is OK. More than 3 degrees negative on more than 3 cylinders is not a good situation. It most likely means you gas is not good quality (high enough octane)
Also its important to note that when you are its under FULL wide open throttle and the car has reached operating temperature. Partial throttle timing pulls are more complicated we wont get to hose. We are looking at full throttle and boosted corrected timing.
Let me know if you have any other questions.
If the app is displaying actual timing values CKP for all cylinders then reading that is a bit different. I can explain that as well. Let me know.