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I don't know if they run the "leanest". Frankly, I'm not sure how you would check that, unless you ran 8 widebands simultaneously, one in each header tube.

But, I do know that #7 and #8 run the...

Well, I put the new tune on, and it helped some things, but hurt others.

I seem to have gotten rid of the 2-3 shift flare greatly, and also to have alleviated the push I'm feeling on the brakes....

Here is what I've changed. Things with a red "X" in front are things that I've changed. I did not make a few of the changes (Idle Proportional Airflow, Idle Integral Airflow, Baro Multiplier, and...

Thanks to everyone that posted help suggestions or pointed me in a direction to get help. I've attached a few files. My current tune is in the OP. Here is what I've changed - if someone can take a...

Cool - I think I'll start out with this:

1) Adjust the idle settings
2) Modify the "Final Idle Airflow Minimum vs. RPM vs. Gear".

Here is my compare of the current tune vs stock (note that...

Hey, feel free to clog. Clog away! The more the merrier!!

So, what parameters should I begin adjusting? I think the first things I should try to alleviate are the shift flare and the hard 3-2 shift. Do I adjust shift pressures, shift times, or some other,...

I'll try to get a log if that helps.

Yeah, I was told that a slightly higher stall would solve the problem. It may come to that. But, I'd like to exhaust all other options before shelling out...

I haven't done anything yet. I'm just learning about STFTs (and LTFTs), and don't have a wideband, but general drivability is pretty good. Running down the road, cruising, partial and WOT are all...

First post, hope I’m doing it right. Hahaha

I’ve attached both my current tune (Matthew’s TSP tune – 12-20-13) and what is purported to be a stock Pontiac G8GT tune (g8 gt tune). I’ve...