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Corvette LS1 383 Twin Turbo
3bar SD with 2.5bar MAP sensor
15psi boost
I have a problem when tuning in 3bar SD mode above 8psi. Base spark advance have 15 degrees the reality is 8-13 degrees.
I turned off the correction:IAT, ECT, AFR, Torque. I have no idea what is wrong. :banghead:
Log frame:245-288
Attachment 47192
Attachment 47193
Disable spark smoothing and try again, on right side of advance tab under general.
My experience is that you need to disable burst knock on boosted vehicles. The spark smoothing table is active when your foot is off the throttle, so it helps coasting surge/buck.
Russ Kemp
Thank you for your help. Tomorrow will test the new setting, with disable burst knock.