Piar
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« Reply #150 on: April 02, 2019, 04:36:27 AM »
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My rpm limit is 7200/instead of 6800 stock
Even if I rise it to 8000/ it would NOT solve my problem
due to fact that engine hit rev limiter several times until speed of front and rear wheels will be equal I think
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prj
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« Reply #151 on: April 02, 2019, 08:45:14 AM »
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RS3 is an AWD car and what you are describing is not possible on gen 5 haldex if the engine is tuned correctly.
The pre-control on the haldex will keep front to rear hard locked on WOT in 1st gear, especially if any slip has occurred.
My guess is severe mistakes in tuning engine (torque underscaled) and DSG.
Not to mention the RS3 has a DQ500 which is nothing like the DQ250, and you are posting in the wrong thread.
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gt-innovation
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« Reply #152 on: April 02, 2019, 09:28:45 AM »
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Does anybody have a problems with upshift from first to second gear during lauch control? i have rs3 2012 (460 whp\650 wNm) and if there is slippery surface and i have wheelspin than there will be delay and kick when upshifting from first to second gear. As i understand the problem there have to be treshold of average front and rear wheels speed. And if front wheels havehigher speed there wheel be kick and delay. Maybe someone knows how to cope with this problem
You know that gear shift on d and s in a dq500 gbox is speed dependent right ? |
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Piar
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« Reply #153 on: April 02, 2019, 08:50:27 PM »
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Of course I know that dq500 shifting tables is speed dependant. Maybe I'm wrong that front wheels are spinning faster. But all my friends(10 mans on ttrs 8j, rs3 8p, rs3 8V.1) have same problems on slippery surface. also dsg would NOT shift when i'm drifting on snow. I mean wheels is spining in corner and there is no matter what speed is, 60 or 160 km\h
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prj
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« Reply #154 on: April 02, 2019, 11:42:24 PM »
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The front wheels are not spinning "faster" than the rears with haldex on full lock.
You made up a problem that does not exist.
Tune the car correctly, and there will not be issues.
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Khendal
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« Reply #155 on: April 03, 2019, 12:39:32 AM »
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Let's return to the topic with DQ250: D
We can also open a DQ500 thread ... it's interesting to go deep ...: D
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k0mpresd
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« Reply #156 on: April 03, 2019, 01:07:25 AM »
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RS3 is an AWD car and what you are describing is not possible on gen 5 haldex if the engine is tuned correctly.
The pre-control on the haldex will keep front to rear hard locked on WOT in 1st gear, especially if any slip has occurred.
My guess is severe mistakes in tuning engine (torque underscaled) and DSG.
Not to mention the RS3 has a DQ500 which is nothing like the DQ250, and you are posting in the wrong thread.
2012 gen5 haldex? all cars this year i know of are gen4 haldex. |
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gman86
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« Reply #157 on: April 03, 2019, 03:24:29 AM »
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2012 gen5 haldex? all cars this year i know of are gen4 haldex.
8P RS3 is definitely a Gen 4 0BY coupling. |
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prj
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« Reply #158 on: April 03, 2019, 09:51:41 AM »
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I was talking about 8V, not 8P. Did not notice year.
Regardless, Gen4 also keeps back-to-front pretty locked on WOT, it has decent feed-forward.
The gearbox shifting or holding gear has nothing to do with wheelspin in particular.
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Piar
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« Reply #159 on: April 03, 2019, 08:10:04 PM »
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Ok. Have you any minds why car have delay in shifting from 1st to 2nd gear when wheels are slipping on surface?
and there is no matter what gen of haldex installed on a car and what level oc tuning of car is( same problems on completely stock cars and on stage 3)
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gt-innovation
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« Reply #160 on: April 04, 2019, 03:58:47 AM »
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Of course I know that dq500 shifting tables is speed dependant. Maybe I'm wrong that front wheels are spinning faster. But all my friends(10 mans on ttrs 8j, rs3 8p, rs3 8V.1) have same problems on slippery surface. also dsg would NOT shift when i'm drifting on snow. I mean wheels is spining in corner and there is no matter what speed is, 60 or 160 km\h
Ok but if you understood this there would not be a question here...You can make your software react like that in purpose.. Not shift until it gets to the preset kmh threshold.That is why Prj is telling you to tune it right. To be more specific since you are going strong about this find all your "Schalt-Tabelle" and fix the first to second gear by lowering the kmh to that area. Make a video of your own car and check the kmh that your engine is hitting the limiter but not getting into the shift speed threshold. |
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« Last Edit: April 04, 2019, 08:46:39 AM by gt-innovation »
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Khendal
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« Reply #161 on: April 14, 2019, 01:36:39 PM »
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I notice there are some maps and also pressure maps repeated in files, but only 1 time reported in damos... is it right? Are they the same to define?
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gt-innovation
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« Reply #162 on: April 15, 2019, 01:39:53 AM »
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I notice there are some maps and also pressure maps repeated in files, but only 1 time reported in damos... is it right? Are they the same to define?
Mirror maps for different coding areas.. |
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Khendal
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« Reply #163 on: April 15, 2019, 01:52:05 AM »
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Mirror maps for different coding areas..
So they have to be changed too  Thanks |
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DaBotta
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« Reply #164 on: April 21, 2019, 11:42:17 PM »
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Hey , Is there any way to tune the DQ250 software , like .... When you are driving in D , to have normal time shifting , but when you put the lever in S , to have lower time shifting ? Just want to leave the car act normal in D mode , and to be "sport" in S mode. Thank you |
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