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I have a completely stock LS with a turbo kit, and I am using hondata S200 w/boost and datalogging. I have been doing quite a bit of datalogging over the past couple of days and the results have left me quite confused. The hondata is logging 10 degrees advanced from what it is set at in the rom at 14 psi. Even though timing is dead on at idle. I was just wonderingif anyone else is experiencing any issues with datalogging hondata and having it log significantly advanced from what the rom is set at. I even tried verifying this timing issue, with a dial-back timing light, and even at 2k rpm, the timing is already logging about 5 degrees off.

Thanks in advance for anyones input, who is experiencing the same or similar issues with hondata and datalogging. Just trying to determine if this is an error with the rom, datalogging, or both.