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Author Topic: ME7.1: Ignition Dwell  (Read 105375 times)
s5fourdoor
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« Reply #30 on: January 26, 2013, 11:47:28 AM »

Thanks for all of the help.  Just to clarify.  DTSDRL set to 10+ / FF (maximal value in hex) would mean that the ignition mode will *never* switch?  Thus, the dwell tables that would be used would be the kftsrl, kfszdub which you are showing from the 2.0tfsi tables?   
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prj
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« Reply #31 on: January 26, 2013, 11:55:40 AM »

Well, it should be, yes, but I have not logged drlsolf_w, so don't know how high it goes.
But the right way would be to change DTSDRLW to 1.

Then the zuesz-lastdyn module will be ignored and you can get away with transferring over the 3 maps I noted earlier.
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s5fourdoor
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« Reply #32 on: January 26, 2013, 12:01:21 PM »

Beautiful solution.  I'm going to continue going through this all and try to figure out if/where DTSDRLW is located.  It was not in your auto-551M, so I'm guessing perhaps its not in this ECU defn.
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prj
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« Reply #33 on: January 26, 2013, 12:11:11 PM »

Beautiful solution.  I'm going to continue going through this all and try to figure out if/where DTSDRLW is located.  It was not in your auto-551M, so I'm guessing perhaps its not in this ECU defn.



I think a typo has come in somewhere, it's FTSDRLW, not DTSDRLW (that does not even exist).
And it's 0x16D24 in M-box.
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s5fourdoor
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« Reply #34 on: January 26, 2013, 02:40:26 PM »

lmfao.  low blow, i was reading the wrong FR.
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s5fourdoor
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« Reply #35 on: January 27, 2013, 06:09:19 PM »

Here's my final XDF to do this update.
Also attached is an excel spreadsheet showing the changes you should make on your bin.
I highly recommend doing these changes if you have the 2.0t coils on your 2.7tt.
Please let me know if you have any questions.
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jibberjive
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« Reply #36 on: January 27, 2013, 09:19:54 PM »

I highly recommend doing these changes if you have the 2.0t coils on your 2.7tt.
Any feedback on the performance/character differences from doing/not doing these changes?
« Last Edit: January 27, 2013, 11:51:48 PM by jibberjive » Logged
s5fourdoor
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« Reply #37 on: January 28, 2013, 12:55:19 AM »

Faster throttle response, lowered off throttle bucking...
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rnagy86
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« Reply #38 on: January 28, 2013, 04:12:24 AM »

So these coils are the  07K 905 715F ones?
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s-company
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« Reply #39 on: January 28, 2013, 05:31:54 AM »

Great Job, i will test it asap!
just one question, did you just copy the values (kftsrl,fswtm,kfszdub and ftsdrlw)from 2.0TFSI binary or are they already interpolated?



Here's my final XDF to do this update.
Also attached is an excel spreadsheet showing the changes you should make on your bin.
I highly recommend doing these changes if you have the 2.0t coils on your 2.7tt.
Please let me know if you have any questions.
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sn00k
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« Reply #40 on: January 28, 2013, 06:34:21 AM »

ive been running FSI/TFSI coils for some weeks now, and there is indeed a huge improvement in the lower/mid rpm, esp using stock injectors.. not so noticable using my other setup of injectors with improved atomization.

..ive been wondering about how to set the dwelltime for these coils as the 1.8t coil-timings wouldnt be optimal..
found this thread and i have now made the mods mentioned, going for a testdrive in a few mins, ill report back Smiley

btw, i use the 07K 905 715F mentioned earlier.
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s-company
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« Reply #41 on: January 28, 2013, 07:20:17 AM »

just another input from me, in me9 there is no KFSZT, why not just use KFSZT from newer 1,8T, they also have these new coils..
all dwell maps are quite similar to med9...
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prj
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« Reply #42 on: January 28, 2013, 09:52:19 AM »

just another input from me, in me9 there is no KFSZT, why not just use KFSZT from newer 1,8T, they also have these new coils..
all dwell maps are quite similar to med9...

KFSZT is not used at all. Does not matter what is in that map.
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s5fourdoor
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« Reply #43 on: January 28, 2013, 10:34:42 AM »

Great Job, i will test it asap!
just one question, did you just copy the values (kftsrl,fswtm,kfszdub and ftsdrlw)from 2.0TFSI binary or are they already interpolated?




They were axis-interpoloated, meaning that i only took an axis if it was very close to the value of the other axis, and then did averaging between non-available axis values.
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s5fourdoor
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« Reply #44 on: January 28, 2013, 10:35:14 AM »

So these coils are the  07K 905 715F ones?

Yup, the grey ones.
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