NefMoto > Technical > Tuning > rs4 with rs6 turbos tuning
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Author Topic: rs4 with rs6 turbos tuning  (Read 64181 times)
NOTORIOUS VR
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« Reply #30 on: August 13, 2014, 08:39:56 AM »
That definition doesn't look right to me.  You should definitely do a compare to a file that you know is good and fix that before making any changes.
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silentbob
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« Reply #31 on: August 13, 2014, 09:34:36 AM »
KFVPLGU starts at 15946 in F Box and looks like this



Just modify it like described by erroob0977 in the other threat and you are done.
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Westfarmracing
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« Reply #32 on: August 13, 2014, 02:46:21 PM »
Oh, that makes much more sense!

Big thanks guys =)
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Westfarmracing
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« Reply #33 on: August 13, 2014, 11:57:01 PM »
My bad, KFVPLGU I have set up like this, and I have modified it as euroob described. Posted the wrong acronym yesterday... Sorry.

It's KFVPDKSD (Attached) I'm struggling With, does that make more sense to you? Smiley

Thanks
« Last Edit: August 14, 2014, 12:04:27 AM by Westfarmracing » Logged
silentbob
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« Reply #34 on: August 14, 2014, 06:00:44 AM »
There should be no need to change anything further than KFVPLGU if set up correctly.

If there is still a problem you have to post logs to see what's going on.
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Westfarmracing
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« Reply #35 on: August 14, 2014, 06:55:50 AM »
Okay thanks, it's got better after I modified it, but far from good..

I will post logs as soon as I get the logger to work, it only Connects to the cable and logs With ignition OFF ? Very weird..

What about KFWDKMSN and KFMSNWDK ? No need for throttle-mapping either?
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silentbob
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« Reply #36 on: August 14, 2014, 08:19:01 AM »
If you use the rs4 throttle body then no.
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ddillenger
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« Reply #37 on: August 14, 2014, 09:21:46 AM »
Quote from: silentbob on August 14, 2014, 08:19:01 AM
If you use the rs4 throttle body then no.

Changing turbos one should always log msndk_w and mshfm_w and adjust WDKMSN and MSNWDK until they match.
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nyet
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« Reply #38 on: August 14, 2014, 11:27:04 AM »
Quote from: ddillenger on August 14, 2014, 09:21:46 AM
Changing turbos one should always log msndk_w and mshfm_w and adjust WDKMSN and MSNWDK until they match.

Somebody should add a section to the tuning wiki to that effect Smiley
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silentbob
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« Reply #39 on: August 14, 2014, 11:32:28 AM »
So should you if you change your MAF or every component that alters the VE of the engine if you want it perfect (even on stock verhicles you can improve it because of the individual variability of each throttle body).
But that is one of the last steps and for people who know what they are doing and understand how everything works together.
Everybody else will chase its tail by modifying everthing at once.
With stock MAF and throttle body you better concentrate on other things.
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Westfarmracing
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« Reply #40 on: August 14, 2014, 11:12:23 PM »
Quote from: ddillenger on August 14, 2014, 09:21:46 AM
Changing turbos one should always log msndk_w and mshfm_w and adjust WDKMSN and MSNWDK until they match.

This^^ is what I thought too. If it's right or not, I dont know thats why I asked Smiley

My thought was if WDKMSN and MSNWDK is dependent on air-mass at a given rpm/load then a bigger turbo would draw more air at lower pressure and there must be some kind of adjustment for that.

I will log this, and compare it to these two and apply New values if it differs a lot.

It's gotten much smoother now though, changed my lambdas and the twitching is gone because it was very rich at light-load, but the hesitation is still there under spoolup at light-throttle.

Props to this forum and you guys, wouldn't made this without s4wiki and the members here Smiley

Must get the me7logger to work though..
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silentbob
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« Reply #41 on: August 15, 2014, 12:37:40 AM »
msndk_w and mshfm_w are not the correct values to compare.
Have a look at BGMSZS and try to understand why.
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Westfarmracing
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« Reply #42 on: August 19, 2014, 04:21:36 AM »
Quote from: silentbob on August 15, 2014, 12:37:40 AM
msndk_w and mshfm_w are not the correct values to compare.
Have a look at BGMSZS and try to understand why.

I will check it out and see if I can understand it.

In progress of TFSI Conversion now, because my ignition system didn't like load a lot. So waiting for parts, and work in between that has been slowing my progress down a bit..
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Westfarmracing
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« Reply #43 on: September 07, 2014, 09:54:06 AM »
Finally got me7logger to work. Found an old galetto clone that had 232 chip and built it in under the dash with a switch for cutting off rest of the k-line. Works very well.

So.. Here's a rough log, its still on oem 490cc rs4 injectors but it doesn't feel that fast until nearly 6000rpm up to 7000
« Last Edit: September 07, 2014, 11:22:37 AM by Westfarmracing » Logged
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« Reply #44 on: September 07, 2014, 12:34:05 PM »
Quote from: Westfarmracing on September 07, 2014, 09:54:06 AM
Finally got me7logger to work. Found an old galetto clone that had 232 chip and built it in under the dash with a switch for cutting off rest of the k-line. Works very well.

So.. Here's a rough log, its still on oem 490cc rs4 injectors but it doesn't feel that fast until nearly 6000rpm up to 7000


You are having some kind of intervention.
You are boost overshooting and having throttle cut after 5750rpm. Checked for leaks???
Do some Reading how to take proper logs. And try again.
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