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Cobb AccessPORT Discussion

Old Sep 25, 2008 | 01:09 AM
  #4201  
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From: Phoenix
Originally Posted by dschreiner
hey i just got my ap...i went and test drove it but i really cant tell the difference. i have mm custom map. is the performance upgrade enough to be felt cuz i cant tell. i do love the unit however, all the real time information, mpg and 0-60 and 1/4 mile stuff is awesome. but does anybody have any input on the power output? thanks, please dont flame me for askin a stupid question, i just need some input
The maps provided with the accessport do not alter any fuel mapping or timing on the RX8 so naturally you would not feel any power gains.

Please refer to the first post for installation and first use instructions. You'll find where you are supposed to use the included maps to ensure your Mass Airflow Sensor has the correct calibration.

You do this by monitoring your Short Term and Long Term Fuel Trims shortly after flashing and within the first couple drive cycles.

Once your trims are under 5% +/- email Mazdamaniac, don't PM, with information requested in the 1st post of this thread. Be sure to attach the calibration you used. He will then send you a custom tuned calibration with air/fuel changes which will help create more power.

Refer to the 1st post for all your questions.
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Old Sep 25, 2008 | 02:59 AM
  #4202  
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From: Norway
Originally Posted by alienRX8
Best solution, just replace your cat with a race pipe :D
True, I want to, but any half-assed inspection here would notice that. I guess RP Supercat or something like that might be an option next year, can't afford it until then + gotta get a friend to install and probably take it off if it fails emissions test in the tests cars gotta do every other year.

Guess I'll just log real quick and go to stock map to be safe.
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Old Sep 25, 2008 | 07:41 AM
  #4203  
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From: PA
Originally Posted by 05rex8
^I thought the data log feature didn't work with race beta
nope, works very well actually
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Old Sep 25, 2008 | 10:13 AM
  #4204  
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Are any of you using a mac to do your logging for the cobb? If so what are you using to do it?

Thanks.
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Old Sep 25, 2008 | 03:38 PM
  #4205  
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From: Norway
Originally Posted by r0tor
nope, works very well actually
The logging works? Are you using one of MM's maps? Thought the software says it only works with COBB maps in the ECU.
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Old Sep 25, 2008 | 03:49 PM
  #4206  
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Originally Posted by neXib
The logging works? Are you using one of MM's maps? Thought the software says it only works with COBB maps in the ECU.
yes is works great. Now I need to figure out how to save it so I can send it to MM. How do you read lambada? When I log with ATR it puts my AFR in lambada. When i get above 6500 RPM my ratio goes into the 12's but I thought lambada was a way diff reading than the standard afr readings
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Old Sep 25, 2008 | 05:24 PM
  #4207  
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From: PA
Originally Posted by Mr.&Mrs.Magic
yes is works great. Now I need to figure out how to save it so I can send it to MM. How do you read lambada? When I log with ATR it puts my AFR in lambada. When i get above 6500 RPM my ratio goes into the 12's but I thought lambada was a way diff reading than the standard afr readings
a) it automatically saves it in the accessport directory as a csv file
b) lambda = afr/14.6 or afr = lambda * 14.6
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Old Sep 25, 2008 | 06:35 PM
  #4208  
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There is a "use standard units" button if you don't prefer reading the A/F in Lambda
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Old Sep 25, 2008 | 06:39 PM
  #4209  
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From: The Dark Side
but Lambda is > AFR.
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Old Sep 26, 2008 | 11:45 AM
  #4210  
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From: Norway
Allright, someone will have to clarify. Are you using it with MM's maps in the ECU? Because the software says you can't, and I can't get it to work, so all logic says you guys talk balony
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Old Sep 26, 2008 | 11:51 AM
  #4211  
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.........it puts my AFR in lambada.

Ah, yes, mi amore! The forbidden dance of the air-fuel ratio!

S
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Old Sep 26, 2008 | 12:12 PM
  #4212  
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From: PA
Originally Posted by neXib
Allright, someone will have to clarify. Are you using it with MM's maps in the ECU? Because the software says you can't, and I can't get it to work, so all logic says you guys talk balony
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Old Sep 26, 2008 | 01:47 PM
  #4213  
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Originally Posted by neXib
Allright, someone will have to clarify. Are you using it with MM's maps in the ECU? Because the software says you can't, and I can't get it to work, so all logic says you guys talk balony
yes I am using MM maps and it works fine. how bout I make a video of me plugging my laptop into the car and then show you the map with jeffs name all over it.
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Old Sep 26, 2008 | 01:53 PM
  #4214  
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From: Sunny See attle
Originally Posted by r0tor
a) it automatically saves it in the accessport directory as a csv file
b) lambda = afr/14.6 or afr = lambda * 14.6
14.7 right?
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Old Sep 26, 2008 | 02:05 PM
  #4215  
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From: Big D, Texas
14.63
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Old Sep 26, 2008 | 02:45 PM
  #4216  
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From: Norway
Originally Posted by Mr.&Mrs.Magic
yes I am using MM maps and it works fine. how bout I make a video of me plugging my laptop into the car and then show you the map with jeffs name all over it.
Or you could say if you are doing something out of the ordinary. Also Jeff might have done some modifications to the latter map that makes it locked out, as it's just days old.
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Old Sep 26, 2008 | 02:49 PM
  #4217  
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Originally Posted by neXib
Or you could say if you are doing something out of the ordinary. Also Jeff might have done some modifications to the latter map that makes it locked out, as it's just days old.
nothing out of the ordinary and my map is fairly new as well
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Old Sep 29, 2008 | 10:45 AM
  #4218  
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MM- just checking to see if the ATR data log information will be ok to send or do I need to still put it in graph form?
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Old Sep 29, 2008 | 10:53 AM
  #4219  
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From: Norway
Originally Posted by Mr.&Mrs.Magic
MM- just checking to see if the ATR data log information will be ok to send or do I need to still put it in graph form?
What does his instructions say?
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Old Sep 29, 2008 | 11:08 AM
  #4220  
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From: Canada ---> Australia
T_T I hope my updated map comes soon ^_^ I leave on a very long drive home soon.
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Old Sep 29, 2008 | 03:20 PM
  #4221  
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Today = 1 month since I sent all my info in.. how long does MM usually take to get the custom calibrations back to us? I'm just curious, since it's gonna start getting colder out and the 8 won't get to see as much hard driving in the winter.
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Old Sep 29, 2008 | 03:24 PM
  #4222  
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^^ typically just a few weeks turnaround.
The new firmware that Cobb released threw a monkey wrench into the whole thing though.

He's having to redo all 1,100 + maps that he had and trying to catch up on emails.
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Old Sep 29, 2008 | 03:32 PM
  #4223  
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From: Brisbane, Australia
Originally Posted by rotary.enthusiast
14.63
Yes... but - it actually depends on what fuel is in your engine at the time. Learn about Lambda, it is invariant of fuel. 1.0 is stoich, 1.0+ is lean (more 02), <1.0 is rich (depleted 02).

Cheers,
Hymee.
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Old Sep 29, 2008 | 04:01 PM
  #4224  
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Originally Posted by onefatsurfer
Today = 1 month since I sent all my info in.. how long does MM usually take to get the custom calibrations back to us? I'm just curious, since it's gonna start getting colder out and the 8 won't get to see as much hard driving in the winter.
I sent you a new calibration on 9/9
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Old Sep 29, 2008 | 04:11 PM
  #4225  
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onefatsurfer: did it go in your junk mail folder?
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