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Author Topic: swap inyectors RS4 in 2.0 TFSI .. calculate krkte ?  (Read 37645 times)
javigsi
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« Reply #15 on: June 19, 2013, 02:17:42 AM »

me too I have done many TFSi with RS4s.

 (black smoke from the tail pipe)

yes , this is correct
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hammersword
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« Reply #16 on: June 19, 2013, 04:37:54 PM »

Answer the question why VAG installed that big injectors in an engine with a cyl of 55hp? The answer is the solution for calibrating the RS4s
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Rick
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« Reply #17 on: June 21, 2013, 02:01:53 PM »

Injection window is smaller.
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javigsi
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« Reply #18 on: June 21, 2013, 04:57:19 PM »

I am  working now in KFWBHO1SLE map , the car improved a lot and the black smoke disappears, but I'm beginning to think that these injectors are not correct for this engine , I'm on the right direction?.

thanks
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ddillenger
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« Reply #19 on: June 21, 2013, 05:15:29 PM »

I am  working now in KFWBHO1SLE map , the car improved a lot and the black smoke disappears, but I'm beginning to think that these injectors are not correct for this engine , I'm on the right direction?.

thanks

Of course they're not right for the engine. The rs4 spray pattern is completely wrong.


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RaraK
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« Reply #20 on: June 23, 2013, 07:43:37 PM »

Of course they're not right for the engine. The rs4 spray pattern is completely wrong.




However works completely fine if you know how to calibrate them appropriately.   
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ddillenger
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« Reply #21 on: June 23, 2013, 08:01:25 PM »

So you can get a smooth warmup idle on rs4s with no soot?

Not doubting you, but it seems like you'd be flooded with work if that were the case.
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matchew
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« Reply #22 on: June 23, 2013, 08:23:54 PM »

Its not exactly hard if you understand the ECU, how ever it is impossible to do by just changing maps.
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RaraK
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« Reply #23 on: June 23, 2013, 08:27:55 PM »

So you can get a smooth warmup idle on rs4s with no soot?

Not doubting you, but it seems like you'd be flooded with work if that were the case.

Yes, and yes i am flooded with work Cheesy


there are a handful of tuners that have these mapped correctly, i guess you are from the states and are stuck with only a few tuners that may not quite have it totally refined yet.
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hammersword
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« Reply #24 on: June 24, 2013, 04:39:30 PM »

You need more than 10maps to calibrate them correctly. No black smoke, no cold start issues!
If you know the MED9 logic and the DI model and if you have read the blue Bosch book about DI engines then you are ready to calibrate them correctly.

It is not always right to try finding maps but you miss the theory!

cheers,
Fotis
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javigsi
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« Reply #25 on: June 26, 2013, 06:47:21 AM »

There's something I do not understand. I have RS4 krkte data and using soft Fotis RS4 injectors up to 2345 cc / 100bar someone can say if this is correct???

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SRT
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« Reply #26 on: June 26, 2013, 07:20:42 AM »

KRKATE from RS4 4.2 should be ~0,03322
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SRT
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« Reply #27 on: June 26, 2013, 07:30:18 AM »

BTW
cylinder displacement is 0,520375
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javigsi
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« Reply #28 on: June 26, 2013, 09:19:19 AM »

KRKATE from RS4 4.2 should be ~0,03322


KRKTE 0.03322  i have in S5 4.2 354ps  but in 420ps have 0.016 same engine but same inyectors ??
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SRT
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« Reply #29 on: June 26, 2013, 11:42:46 PM »

post original file
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