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Big maps-too big

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Old May 3, 2010 | 11:06 AM
  #31  
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From: Mid Ohio
Originally Posted by logic
That's the goal: switch and go.

The reality is a little more complicated, and hence why the tephramod threads are so long. 96530006, for example, is a substantially different code tree than what originally shipped on your car (it's originally from a Euro/Aus-market 2005 Evo). A good example of something people almost inevitably end up doing is correcting a badly-adjusted BISS screw; the stock code does a great job of masking over a mis-adjusted BISS, but 96530006 will throw a code if you're not at least in the ballpark. There's a couple of other little items that will cause a few issues, and most of them are pretty well-documented at this point, but it's not as straightforward as I think everyone would prefer.

Since a 9417-based tephra version is available at this point, that's probably the closest ROM to what you're currently running, and should provide the least amount of conversion hiccups. You need to make sure you follow the instructions (copy your immobilizer, etc), but overall it should be pretty painless.
Exactly my point Logic... If all maps are copied over, which should include the 'stock' code that masked the BISS screw adjustment... how are there still issues remaining? That is I guess where I'm fuzy, or where I am concerned that parts of the stock ECU were erased/rewrote to make room for the special features & big maps.

Does that question/concern make sense? or am I thinking about this wrong. Thanks again Logic.
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Old May 3, 2010 | 11:51 AM
  #32  
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In that paragraph, I was specifically referring to switching to 96530006. Right now, you're running code written for a USDM 2004 Evo (probably some version of 9417?). 96530006 was originally deployed on a Euro/Aus 2005 Evo. Different year, and different domestic market. The maps that you're copying aren't the whole story; there are code (and, in some cases, hardware) differences that can require a bit of tuning to work around.

The BISS issue, in particular, is one that bites everyone, which is why I mentioned it. The USDM code hides the fact that there's a physical misconfiguration, just like your car can seem to run perfectly well with throttle body shaft seals that can't hold more than a few psi without leaking. The Euro code doesn't attempt to work around the problem (at least, not much; the car is still quite drivable), it instead throws a code and expects you to go get a screwdriver.

The difference, most likely, can be found in the thousands of pages of US emissions and market requirements. The differences aren't because of tephra's code; you'll have the same problems if you tried switching to a stock/untouched version of 9653.

Now, all that being said: there's a new(er) release from tephra that's based on 94170015 that Evo_Kid/Shameless petitioned him to create. I haven't personally used it, but the idea there ought to be that it's a drop-in replacement for you, because it should be the exact same code base that you were running before, with some additions. There's a thread for people using that as well, which might be a good place to look for common issues that folks run into.
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Old May 3, 2010 | 11:56 AM
  #33  
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understood.. I don't recall my rom version at the moment.. tonight after some datalogging, I'll be sure to check.. and share.. I keep thinking it was one that wasn't listed alot... either 946xx or 964xxx.. I will definitely stay in touch with you. Thanks again.
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Old May 3, 2010 | 01:08 PM
  #34  
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I like the V7 but I think that the timing map lost resolution in the lower rpm range so im having a hard time getting rid of some random knock in these areas
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Old May 3, 2010 | 02:34 PM
  #35  
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Originally Posted by ziad
^^ umm how do we then workout air flow

sorry it almost feels like every1 is again the OP, but i rotfl cuz a lot of people wanted to goto the big maps and now to go back would be silly.... plus as said before just use the same scaling as stock that way its as easy as before
bah... reading air flow is for wimps.

My only issue with the big maps is the small resolution on my netbook that I use for logging. So I have to carry two laptops when tuning. One for logging, one with a screen resolution large enough to view the map...
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Old May 3, 2010 | 03:15 PM
  #36  
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From: pa
Originally Posted by erickponce
I like the V7 but I think that the timing map lost resolution in the lower rpm range so im having a hard time getting rid of some random knock in these areas
so copy off your small map. do it manually.
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Old May 3, 2010 | 03:17 PM
  #37  
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From: pa
Originally Posted by chrisw
bah... reading air flow is for wimps.

My only issue with the big maps is the small resolution on my netbook that I use for logging. So I have to carry two laptops when tuning. One for logging, one with a screen resolution large enough to view the map...
you can still log 2byte airflow which should read until 3000hz which is the stock mafs max clip

ya the big maps suck to edit on laptops and especially netbooks.
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Old May 3, 2010 | 04:02 PM
  #38  
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Originally Posted by tscompusa
you can still log 2byte airflow which should read until 3000hz which is the stock mafs max clip

ya the big maps suck to edit on laptops and especially netbooks.
That's why I have a carputer that logs 100% of my car's run time...and now I'm scripting it to email me the logs as soon as I turn the key off but before the computer goes to standby.

I don't even think about it, turn the key on, car cranks, evoscan starts logging. Turn key off, evoscan stops logging, script emails me the logs (3g connection), then car turns off.
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Old May 3, 2010 | 04:04 PM
  #39  
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Originally Posted by dyezak
That's why I have a carputer that logs 100% of my car's run time...and now I'm scripting it to email me the logs as soon as I turn the key off but before the computer goes to standby.

I don't even think about it, turn the key on, car cranks, evoscan starts logging. Turn key off, evoscan stops logging, script emails me the logs (3g connection), then car turns off.
that is badass. I just do 2-3 pulls then come home and edit on my 24" lcd. Its hard to edit the maps on a laptop.
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Old May 3, 2010 | 10:16 PM
  #40  
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Originally Posted by dyezak
That's why I have a carputer that logs 100% of my car's run time...and now I'm scripting it to email me the logs as soon as I turn the key off but before the computer goes to standby.

I don't even think about it, turn the key on, car cranks, evoscan starts logging. Turn key off, evoscan stops logging, script emails me the logs (3g connection), then car turns off.
That is a really cool setup. I actually stumbled upon your car-puter thread earlier today...or should I say yesterday now. I love the way it has come out so far and would love a system like that in my car. The best part about that is that it is always logging so if something were to go wrong you would automatically have the file on hand.
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Old May 4, 2010 | 12:40 AM
  #41  
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Interesting...

1) You don't need to use all the resolution... Just rescale the axis how you want it, then make the rest of the numbers huge:


2) I can't remember what my second point was...

edit - I remember...

2) I have asked Colby to add scrollbars into EcuFlash, he is going to check it out... This was for the MAF_Scaling table on the EvoX (150 odd rows long) - but will assist you netbook guys as well
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Old May 4, 2010 | 03:47 AM
  #42  
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the problem with making the unwanted scale values "huge" is it makes graph view useless.
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Old May 4, 2010 | 09:49 AM
  #43  
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scrollbars in ECUFlash would be awesome.

Also, a separate window for the 3D map display would be nice.
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Old May 4, 2010 | 01:02 PM
  #44  
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From: Butt**** Nowhere
damn, people like to whine. If you don't like big maps, don't use it. Not that hard.
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Old May 5, 2010 | 09:35 PM
  #45  
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I understand there was ways to go around how big the maps are.

But in my opinion the resolution is really overkill. If you look at most big maps the values are the same in most of the cells.

However the masses have spoken so it doesn't really matter. But I still say they are still a pain to deal with unless your working with a 22" monitor or your running a big screen resolution. If you can get scroll bars put into ECUflash that would solve half the problem. I'm not sure why people got as bent out of shape over the thread though.
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