Is there somewhere that can tell me all about the features of this? what each does to my car when i hit the button? i seem to get much better gas mileage out of my car on normal shift and there isnt that much performance gained from performance shift i was told since i had the engine rebuild and the heads grinded and new pistons that i may not notice much of a difference since it just changes the shift speed and my horsepower curve wll be a little different than stock now i dont know much about these cars yet so be nice btw i did not drive the car before remanufacturing the engine and it really goes like snot now (i think it does snap a little more in performance shift maybe it just shifts quicker in that mode?)

You mentioned the feature of the performance shift already: delays shifting/holds the revs higher before shifting.

If you tend not to put your foot into it you won't see the value.

And please use punctuation if you want people to read your post.

Normal shift LOWERS the shift points compared to cars without the feature. PERFORMANCE shift allows full-rpm shifts within the limits programmed in the PCM. Usually only a couple hundred rpm'* difference.

Moving to General Chat. This isn't a mechanical problem.