In an automatic car what does the perform button on the center console by the shifter do i was just wondering if anybody could answer this question thanks

 

Holds it in gear a little longer and firms up the shift. Z28 dont have the buttom because its in performance mode all the time.

 

Increases the line pressure to the tranmission, increasing shiftfirmness.Z28'sDO NOT have it on all the time, but you can wire aswitch into the ECM as it is already programmed to have that as an option with the firebirds.

 

One more GM (General Mistake) not including the performance button on Z-28 automatics.

 

I wired mine up in my 95 Z28 convertible. When I got my car tuned they left the factory mode and edited the "performance" mode I added with the button. My favorite mod to date. That 15 minute mod is worth doing especially if you are getting your car tuned profesionally!!

Mike

 

Im assuming that this does not apily with my 4L60. Im a right?

 

Right.

 

Basic diagram

More details

Will not work on the 3.8 because there is no programming in the pcm for it.

 

Thanx Shoebox, those are the samer links I used when I did mine. It is easy! Takes 15 minutes and is well worth it.

Mike

 

took me about 30 mins to do mine and worth every second. big difference from the stock to the performance. big time head snap when it shifts gears.

 

You think your head snaps now, get it tuned and see what happens!! BIG BIG difference. It's awesome! They can edit both modes. I had the "performance" mode severly edited to hold the gear longer and shift harder etc.... WOW!!

Mike

 

are you talking about getting the PCM tuned from like PCMforless? how much was it? and after all that would you recomend putting in a shift kit?

 

I got mine custom dyno tuned at Agostino Racing Engines. It ran me $300 and worth every cent!! I would still recommend getting a TransGo shift kit. I need to pick me up one too. Best thing for our tranny.

Mike

 

How much does this button do Et wise? And i heard on this forum that a trans go shift kit did realitvely nothing for ET's or adding car performance.

 

It's not really an e.t. enhancer. It's design is more for part throttle performance and feel.