4000 stall tuning
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From: The beautiful Kingdom of Bahrain
4000 stall tuning What specific tuning needs to be done when using a 4k stall? I'm using the stock settings and it I noticed it shifts wierd or late or to fast sometimes. There are no miss fires and the tranny is new.
Yes in many cases people who get over a 3000 stall do have to have tuning , The PCM uses engine RPM/VEHICLE SPEED and TPS and even to some exstent MAF readings to determine when to shift with a high stall all of these parameters will be different than the PCM thinks it should be seeing so basically untill the tune is set up for it , irratic shifts, odd shift timing early/late,bouncing off the rev limter/lockup issues are all comon problems untill this is done, As for what has to be done. Perhaps posting in the tuning section might serve you better.
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