Does anyone have tuned chips?
Moderators: The Dark Side of Will, Series8217
Does anyone have tuned chips?
Im looking for a tuned chip for my engine. Its running awfully rich and cant go wot. Im using 91-93 ecm.
Thanks
DreX
Thanks
DreX
- Series8217
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Sinister Fiero does them.. check out www.gmtuners.com
He's on the forum here too.
I had him do the chip for my 3.4 TDC with the 91-93 ECM. Good guy to deal with. He's also been very helpful with the 3.4 swap in general.
I got the software and hardware to do it myself now, but I won't be doing it commercially.. its just going to be easier to tune this thing myself so I don't have to send chips back and forth to get it right.
When did you start having the rich problem with your motor? It may not be due to chip tuning, but rather a sensor problem or something else..
He's on the forum here too.
I had him do the chip for my 3.4 TDC with the 91-93 ECM. Good guy to deal with. He's also been very helpful with the 3.4 swap in general.
I got the software and hardware to do it myself now, but I won't be doing it commercially.. its just going to be easier to tune this thing myself so I don't have to send chips back and forth to get it right.
When did you start having the rich problem with your motor? It may not be due to chip tuning, but rather a sensor problem or something else..
- Shaun41178(2)
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Hi, the speedo now works fine. The thing is that is running super rich. I cant go pass 65% throttle w/o going rich. If I press the pedal all way down the a/f gauge goes to the last green led. A few times it went blank!! That is pass all the leds!!!Sinister Fiero wrote:Yes, that is me. Didn't I already do a chip for you? If so, and you are having issues with it, please let me know so I can get them resolved.DreX wrote:Is he DarthFiero? :scratch:
Can you fix that?
DreX
- Series8217
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I'd measure it on a wideband to see how rich it is. I'm sure there's a dyno in your area that can throw one in your tailpipe for a run so you have solid data that a tuner can then use.
DreX wrote:
Hi, the speedo now works fine. The thing is that is running super rich. I cant go pass 65% throttle w/o going rich. If I press the pedal all way down the a/f gauge goes to the last green led. A few times it went blank!! That is pass all the leds!!!
Can you fix that?
DreX
hey sinister, had some questions for you about the need to program a chip for .030 over , dont mean to threadjack but I'm going to be buying Earl sessions older computer that he stopped using "i forget why" , i'll be running a getrag hooked to a .030 over 3800 s2 SC motor with smaller pulley and port work on the heads / SC . How bad am i gonna need a reprom to make the motor run right?
You mean he stopped using "i forget why LOL"...Weponhead wrote:hey sinister, had some questions for you about the need to program a chip for .030 over , dont mean to threadjack but I'm going to be buying Earl sessions older computer that he stopped using "i forget why" , i'll be running a getrag hooked to a .030 over 3800 s2 SC motor with smaller pulley and port work on the heads / SC . How bad am i gonna need a reprom to make the motor run right?
Anyways, IMHO, you won't NEED to reprogram the PCM, but it definately should be done, both for power and reliability.
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I should be able to fix the issue but I am going to need a little more info first. Could you give me the version number that is on the chip you have? Also, is this a chip I sent directly to you, or is it a chip you got with the car or someone else? Has anything on your car or engine changed since you first got the chip?DreX wrote:
Hi, the speedo now works fine. The thing is that is running super rich. I cant go pass 65% throttle w/o going rich. If I press the pedal all way down the a/f gauge goes to the last green led. A few times it went blank!! That is pass all the leds!!!
Can you fix that?
DreX
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Depends on what computer he was using, but it sounds like your engine could benefit from a custom chip program. PM or email me with that info so we can get the ball rolling on a custom chip for you.Weponhead wrote:hey sinister, had some questions for you about the need to program a chip for .030 over , dont mean to threadjack but I'm going to be buying Earl sessions older computer that he stopped using "i forget why" , i'll be running a getrag hooked to a .030 over 3800 s2 SC motor with smaller pulley and port work on the heads / SC . How bad am i gonna need a reprom to make the motor run right?
-ryan
You send me the chip directly and I havent do anything more to the car. The engine isnt stock tho. I have headers, LS1 tb for what a/f tunning is worth to. If you need more info let me know. The version of the chip I cant remember, but I will go to my home tomorrow and can look at it. If I dont forget. :scratch:
DreX
DreX
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Last edited by SappySE107 on Tue Jun 13, 2023 6:09 pm, edited 1 time in total.
Every criticism, judgment, diagnosis, and expression of anger is the tragic expression of an unmet need. -Marshall Rosenberg
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Last edited by SappySE107 on Tue Jun 13, 2023 6:09 pm, edited 1 time in total.
Every criticism, judgment, diagnosis, and expression of anger is the tragic expression of an unmet need. -Marshall Rosenberg