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Author Topic: Please help, happy to pay$$$, DQ250 S3 8V MQB Ratio swapping.  (Read 425 times)
Techguy
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Hey guys, so I have a Audi s3 8v stage 3 and I recently detonated my box "bearing failure"  so I went to the wreckers used parts place to find another dq250 on cjx engine from a golf r or s3.. What I found was one from a tts which also has the cjx engine. Purchased the box, installed it, unlocked it and drove perfectly fine on the standard dsg map on low boost,

However I'm running a gtx3076r so I decided to load my previous box stage3 file onto this box.

And this is where the problems started.

Turns out the tts box has a different gear ratio to the s3/golf r box, even though both use cjx engines with is38s stock at the same power. "Thanks Audi"

So with my stage 3 file, it won’t go past 2nd gear because of ratio mismatch.

I went to multiple tuners to attempt to tune the dq250, but the tts software on the box doesn't have a good damos out there so multiple tuners rejected me. One tuner ended up making a stage 2 file but it’s just not as good as my previous file for my old s3 box..

then it occurred to me instead of attempting to tune the tts file due to lack of damos definition, I should instead just change the ratios in my stage 3 s3 file, if I can load the ratios from the tts file into the s3 file, in theory, then the s3 stage 3 file should work.
 
Please understand, I'm not looking for a freebie, I'm happy to pay for a solution. If it can save me from pulling out this tts box and finding another s3 box.

All the dsg files I have attached are owned by me. I have paid file service tuners to send me these files so they are not copyrighted in anyway. These tuners are aware of my situation and have exhausted their options trying to get this to work.


I'm hoping someone here can take the values for gear ratios from any 13d file and transfer them into this 20h stage 3 file.

So NsyZaehneGangP_ko , NsyZaehneGangS_ko & NsyZaehneAbP_ko  from what I read in other dq250 posts.


File descriptions:

DQ250_MQB_0D9300013D_4905_VR.bin = ori vr file for tts as no 4904 vr available.

DQ250_MQB_0D9300013D_4904_ZcLA_F49M_micro-stage 2.bin = previous stage 2 tune from tts box.

 
DQ250_MQB_0D9300020H_4522_DcJJ_F45M_micro-stage 3.bin = previous stage 3 file from s3 box.

DQ250_MQB_0D9300013D_4905_fcLA_F49M_micro-mod1 20h stage 3 mods into vr.bin = requested file service to move stage 3 mods from 20h file into 13d 4905 vr.


I Hope that someone with more experience than me can help, happy to pay for solution, Thanks Guys Smiley
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cherry
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« Reply #1 on: January 22, 2023, 10:56:17 PM »

It´s not good to compare because there is not really a good a F49 damos, but try attached file...
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cherry
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« Reply #2 on: January 22, 2023, 11:29:43 PM »

Btw 0D9300020H should be Seat Leon fwd with LS differential?
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Techguy
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« Reply #3 on: January 24, 2023, 04:02:30 PM »

It´s not good to compare because there is not really a good a F49 damos, but try attached file...

Thank you, it actually worked perfectly, changes through all gears and the dq250 runs great. To my word I will pay you, I'll pm you now. Thank you again
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