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ECUflash tutorial for beginners

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Old Jun 3, 2006 | 06:39 PM
  #136  
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From: h town
Originally Posted by elhalisf
well, then what is "good" timming?
In respects to both fuel and timing start conservative with both. For fuel you need to start rich and for timing you need to start low. I know you have proscan so if that things dyno feature actually works properly then when you add timing and make a 4th gear pull, you should see an increase in torque. Once you get to a point where you add timing and you see no torque gain just back off a few degrees. It is ok to sacrifice a couple of degrees and lose a lil hp for a safe tune unless you like to be on the edge
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Old Jun 3, 2006 | 06:46 PM
  #137  
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From: Chandler, AZ
proscan has a dyno feature! SWEET!
i know the numbers wont be acurate, but atleast i can use it for before and after comparisons.
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Old Jun 4, 2006 | 08:56 AM
  #138  
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I tried to search for this, but couldnt find a difinitive answer.

Is the flash data lost on the ecu if the battery is taken out or unplugged? I know this is true for the 2g DSMlink.

THanks
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Old Jun 4, 2006 | 09:04 AM
  #139  
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Originally Posted by mitsugsx
I tried to search for this, but couldnt find a difinitive answer.

Is the flash data lost on the ecu if the battery is taken out or unplugged? I know this is true for the 2g DSMlink.

THanks
No, you are rewriting the rom. The ram is what gets erased with power loss. Think of it as a base map vs realtime map if you are familiar with the AccessPort.

Girlie
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Old Jun 4, 2006 | 10:39 AM
  #140  
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MalibuJack, EFIxMR, mchuang, Thanks thats some very helpfull info. now to figure out the mivec
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Old Jun 6, 2006 | 04:21 AM
  #141  
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This is a relative newbie question. I'm used to tuning using a logger and an Safc or MAFT. I have a dyno day at the end of the month but I'd like to yank the afc out and get rid of it in the meantime. I can sell it and buy new parts and my wife can't complain. Do the same tuning principals still apply as with a piggy backs using O2's, fuel trims, timing and EGT's, or does it become harder since you're working directly with the trims internally? I'm only looking for a baseline tune to get me from point A to point B for a few weeks without fouling plugs.
I just got the cable last night, raised the redline a hair and set it up for my 780's but I haven't uploaded anything yet.
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Old Jun 13, 2006 | 07:08 AM
  #142  
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Where did the pics go from teh first post
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Old Jun 13, 2006 | 07:59 AM
  #143  
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Verboten

Verboten
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Old Jun 13, 2006 | 11:44 AM
  #144  
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ya werid did they go hey if you make it a PDF i can throw it on my web server if need to.
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Old Jun 13, 2006 | 06:53 PM
  #145  
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Does anyone know where a write-up is explaining all the values in each of the catogories? For example on the Boost limit what does 225 correlate to and what does 255 correlate to. Thanks
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Old Jun 13, 2006 | 06:57 PM
  #146  
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Back up server hiccup!
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Old Jun 14, 2006 | 10:35 AM
  #147  
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Has anyone seen weird stuff when using increment/increase on a group of cells? For some reason some cells are fine and +.1 but some cells are not affected at all... one cell actually went up .2 points.

Thanks for fixing the images
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Old Jun 14, 2006 | 10:43 AM
  #148  
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Its probably a rounding error.. Most of the cells are mathematically calculated values so going .1 at a time may result in rounding up or down, which can explain your results..
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Old Jun 14, 2006 | 10:49 AM
  #149  
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Originally Posted by 05WhiteEVO8
Does anyone know where a write-up is explaining all the values in each of the catogories? For example on the Boost limit what does 225 correlate to and what does 255 correlate to. Thanks
225 mean 225 engine load percent at that given RPM range at 1000 ms will hit fuel/boost cut.
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Old Jun 14, 2006 | 11:15 AM
  #150  
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Sure nuf.

Originally Posted by justchil
Has anyone seen weird stuff when using increment/increase on a group of cells? For some reason some cells are fine and +.1 but some cells are not affected at all... one cell actually went up .2 points.

Thanks for fixing the images
Copy a cell and paste it to word or something like that. You will see that it carries the cell 3 or 4 points to the right of the decimal point. What you see is just rounding, changing a cell by .1 really changes it .1274 or there about.
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