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performance shift

The hand held tuners like Hypertech won't help you much. You need someone with a DHP PT to help you out. Give me a few minutes and I'll post the two tables at are different on a car with performance shift. Please note that even though there are only two tables changed on a stock PCM when you flip the switch, with a Tuner there are a few more rables that have the Normal and Performance Shift tables you can adjust.
 


These are from my son's 99 GTP stock settings. These two tables are the only ones different from the factory.
 

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Last edited:
If you have a tuner, some additional Normal and Performance Shift tables
 

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