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Tuner in Training
close loop to open loop
hi i have 07 silverado vmax 6.0 i didnt find were its the delay (in second)to go in openloop at wot my english is bad but i try thanks
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Senior Tuner
I am not aware there is such a table. You control open loop at wot by controlling pe. When pe is entered, you are in open loop. LTFT may still be active at wot, depending on your level of mods most just disable LTFT.
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Advanced Tuner
Why do most people disable LTFT? Seems like it would be a good idea to leave it so that the engine could adjust as needed.
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Senior Tuner
narrow bands cannot accurately determine fuel at anything other then stoich. You may have your tables dialed in at WOT, but LTFT drifts around. Disabling LTFT eliminates this.