I just installed my Steeda 87 Octane tune for daily driving my car and so far it feels great. Definitely unleashes more power and the shift points are much firmer than they were before so I'm banging into the gears much faster. A couple questions that might be noobish but I'm going to ask anyway instead of guessing or always wondering.

After I installed the tune, I turned the car on and went to the datalogging screen. I was checking a few parameters I felt I'd understand and when I got to the 'Transmission Gear Ratio' it was saying 4.17. My car is a 3.31 gear ratio car. Are those supposed to be 2 different numbers or was this a mistake from the custom tune I got? I didn't mess with any of the settings when preparing to upload the tune, I just left all the options untouched and installed the 87 octane tune file I got from Steeda.

Also, can tunes be requested to grant power any quicker to the engine? It may be the electronic throttle position lagging and it definitely felt more responsive but it still felt like my car was holding back a bit when I mashed the accelerator from a stop. Any thoughts?

I know my 93 octane tune will probably feel even more powerful but I just filled up the other day with 87 so I want to use it mostly up before switching the tune. Not to mention, I'm good with 87 as a daily driver and then switching to the 93 when I occassionally want to have fun. Finally got my car to the drag strip the other day so I plan to do that more often.

Thanks in advance for any and all help!

 

The transmission has its own gear ratios, which is independent of the final drive ratio of the differential. V6 first gear ratio is 4.24 I think. V8 is 3.66.

 

V8 auto is 417. Manual is 366. That's for GT.

 

V6 Auto ratios:

1st: 4.171
2nd: 2.340
3rd: 1.521
4th: 1.143
5th: 0.867
6th: 0.691