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Author Topic: The 5120 hack - ME7.8  (Read 9211 times)
Zuffenhausen
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« on: April 12, 2018, 08:50:29 AM »

Hello,

i have a Porsche 997 Turbo with Bosch ME 7.8. During the last days i´ve read a lot and compared different bins, but mostly ME7.1 or ME7.5

I´m looking for the 5120 hack. Most of the maps i have to change i can find in my bin, if i compare it with some bins from this topic, but I don´t know how to find the right codes.

In most files the codes in ME7.1 are for

pvdk_w and frhodkr_w 4D 65 (8bit hex) 

and for

fvpdkds and  fho_w 87 02 (8bit hex)

Until today, i have no experiences using ida pro, but if it is necessary and somebody will help me and guide me in the right direction, i´m willing to learn that. I don´t want make just changes, i want to understand why i have to make the changes. Here is my bin and thanks a lot in advance


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IamwhoIam
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« Reply #1 on: April 14, 2018, 12:51:31 AM »

I doubt anyone will be willing to help you for free here
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I have no logs because I have a boost gauge (makes things easier)
Zuffenhausen
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« Reply #2 on: April 14, 2018, 02:03:20 AM »

Of course i will pay for the solution, that is not the problem.

But i need to get in touch at first with somebody, who will help me with the hack.
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IamwhoIam
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« Reply #3 on: April 14, 2018, 07:07:19 AM »

The main question is though: are you absolutely sure you need this on a 997TT ME7.8.1? What exactly are you trying to achieve?
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Zuffenhausen
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« Reply #4 on: April 14, 2018, 07:31:30 AM »

I have to take a look in the Software, but in the future i plan to built bigger turbos on it. There are good hardware solutions for this car. And so i think, i will really soon max out the mal sensor.
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prj
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« Reply #5 on: April 14, 2018, 09:19:09 AM »

I can make this, but no idea how serious you are about paying for solution - doing 5120 stuff on ecu's is not exactly 50 euro.
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jpurban
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« Reply #6 on: April 14, 2018, 06:10:20 PM »

I have to take a look in the Software, but in the future i plan to built bigger turbos on it. There are good hardware solutions for this car. And so i think, i will really soon max out the mal sensor.

I have a 996 Turbo, same ME7.8.4 ecu, I think.  If I were you, I'd look at upgrading the MAFs -- the 997 Turbos have 2, one for each turbo intake path -- to another Bosch sensor.  I upgraded mine to the RS4 sensor, which is plenty for a mild build (up to 700 hp or so).  Works great -- I only needed to copy and scale MLHFM from the RS4 for the differences in housing diameter.

DDilinger gets credit for helping me sort out this solution.   
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Zuffenhausen
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« Reply #7 on: April 15, 2018, 04:20:03 AM »

Hello prj, maybe we can talk about prices and the hack via pm?

@jpurban

This is also a very interesting fact, changing the maf. At the moment i am right at the beginning with this car., but i am highly motivated.
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nubcake
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« Reply #8 on: April 15, 2018, 04:32:54 AM »

The main question is though: are you absolutely sure you need this on a 997TT ME7.8.1? What exactly are you trying to achieve?

This.

You don't really need 5120 until you go big turbo. And once you do that - you also have to do something about boost control if you don't retain VTG.
Meaning either a lot of code re-writing (re-purposing) or the "usual" EBC route.
For the second way - you don't really need a complete 5120 either. Can just carefully manipulate mshfm - rlroh - ps - rl conversion, so it doesn't cap out at "ps".
Have done that in the past (actually, combined it with speed-density conversion).
« Last Edit: April 15, 2018, 04:35:27 AM by nubcake » Logged
Zuffenhausen
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« Reply #9 on: April 15, 2018, 05:23:33 AM »

In the future i want to go with bigger turbos.

At first i want to say thank you for the response to my topic and for the solutions given here.

I think i have to learn a lot, concerning the me7. I ´ ve just read the S4 Wiki and have found a lot of maps in my File, trying to understand, how this ecu works.
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vwaudiguy
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« Reply #10 on: April 15, 2018, 04:45:45 PM »

Is the .bin posted in the original post ME7.8.1 or 7.8.4?
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Zuffenhausen
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« Reply #11 on: April 15, 2018, 11:02:53 PM »

It should be original File of ME 7.8.2
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vwaudiguy
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« Reply #12 on: April 15, 2018, 11:43:08 PM »

It should be original File of ME 7.8.2

Thanks
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