04-05 Bonneville GXP Tuning
#11
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From: Reno, NV
Hey Mike, thanks for the concern but I always have a back-up plan. I always keep an exrta stock pcm for my cars just in case something like that happens. But it seems that he has been doing this for a while for a lot of the GM cars. Ion has answered or have returned my phone call or e-mail asap every time, wich is very good customer service if you ask me.
I know that he is looking for a local car to program on the dyno, he is out of Elgin, IL 60123.
I know that he is looking for a local car to program on the dyno, he is out of Elgin, IL 60123.
#12
madtuner is good guy, he and i have done a considerable amount of work getting the 93-95 3100 and 3.4RWD cars tunable(flash PCMs, basically a 94-95 LT1 unit with less PROM space).
not surprising that he got to the "oddball" northstar stuff, he seems to be doing a lot of work lately with the less supported applications.
he also doesn't necessarily use commercial programs for a lot of things either, just to let you know.
not surprising that he got to the "oddball" northstar stuff, he seems to be doing a lot of work lately with the less supported applications.
he also doesn't necessarily use commercial programs for a lot of things either, just to let you know.
#13
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From: Reno, NV
He can adjust: transmission, thermostat, injectors, throttle body, torque coverter, mass airflow sensor, maf, catalytic converter, nitrous, rev limiter, shift points, touque management and idle.
Options: powertune, disable speed limiter and increase shift firmness. This is what he started with on mine but he'* looking to be able to max tune in the next few months or so. I got the first one out, lets call it stage 1 I love it so far and can't wait to upgraded it when he'* ready.
Options: powertune, disable speed limiter and increase shift firmness. This is what he started with on mine but he'* looking to be able to max tune in the next few months or so. I got the first one out, lets call it stage 1 I love it so far and can't wait to upgraded it when he'* ready.
#14
My concern with tuning is, if any changes are made, how can one be sure the changes are not having a bad effect with the engine unless scanning is being done? I have always been weary of mail order PCM programming. Even if they had an EXACT duplicate car of yours onsite to test, your car will still run differently.
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#15
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From: Reno, NV
Mike,
I understand what your saying but I sent him a data file with all my car'* information. It had all my trims on it at wot and just regular driving around town so he didn't do my tuning blindly, he had a starting point.
I understand what your saying but I sent him a data file with all my car'* information. It had all my trims on it at wot and just regular driving around town so he didn't do my tuning blindly, he had a starting point.
#17
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From: Reno, NV
We used UV Scan. It can be found at the Club GP Forum, the program is a spin off of the DHP "Power Tuners Software" or Digital Horespower Inc. Tuning Platform.
#19
hey juan, can you be more specific on the difference the tune has made in your performance and have you noticed any difference in MPG? have you had a chance to get to the track yet. I live about 20 miles from the Dyno shop he uses for tuning. I spoke with him this evening and could consider the tune but I was looking for an increase in MPG since I drive the GXP 120 miles a day. But then a few extra HP'* under the hood wouldn't hurt either
#20
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It is a lot more responsive, the shifts are shorter and tighter. The passing on the highway is a lot of fun because when it down shifts it doesn't wait around. I'm getting around 17.2 in the city but I have a real problem with my right foot and around 27.5 on the highway when on cruise control, so I'm happy with those numbers. I have to say that I also have a custom cold air intake and flow master 44 series mufflers, so my air flow is very good but I also live at over 5000ft in elevation. I'm looking to go down to sea level to run in Sacramento soon so that I can get a true number in the quarter mile.
I hope that you can work something out with Madtuner to work on your tune because I would like to be able to get a max tune soon. My tune was a starter point until he could get a local car on the dyno, you will be doing all of us Northstar guys a big favor if you let him work on it.
I hope that this will help you make up your mind. Thanks
I hope that you can work something out with Madtuner to work on your tune because I would like to be able to get a max tune soon. My tune was a starter point until he could get a local car on the dyno, you will be doing all of us Northstar guys a big favor if you let him work on it.
I hope that this will help you make up your mind. Thanks