just ZEROd out the spark retard vs torque reduction... hope that was right... WHY doesnt anyone tune s10's anymore??? 6 years ago i had a stock (other than exhaust and tuning) 1999 4.3 s10 running 14.7 consistant .... COME ONE PEOPLE I lost all my tuning files (unless someone can convert them from tunercats for me)
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Set your Spark Retard vs. Torque Reduction as well as your Torque Loss vs. Spark Retard tables back to stock. Those figures are used in the 4.3 Vortech & V8 based PCM's to calculate when and exactly how to shift properly. Just disable Drivetrain Abuse, max out the Max Torque vs. Tables, disable TM from the Transmission section, then set the pressures, duty cycle, and lock-up how you want it. I also personally like to disable WOT Shifting Strategies in the Transmission section which helps to eliminate gear hang-ups, shift delays with slams, and other weird stuff too.