RasmusP's LUTs for G27/29 and DFGT

RasmusP's LUTs for G27/29 and DFGT 2.0

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N
I can suddenly drive! Instead of guessing what the grip situation of my car is, I can now actually feel it. It's the difference between getting frustrated and having fun (this guide + LUT gives you the latter obviously). I used a Wheelcheck generated LUT before, but this still makes a big difference. I used a G27 with the recommended settings and LUT, I might try out the others later. Thanks a lot for your effort!
RasmusP
RasmusP
Amazing review, thanks a lot!
The wheelcheck generated LUTs change a lot in the ffb linearity. My LUTs are really just a simple, curved "minimum force" setting. Of course it took weeks to get the curve to be what I wanted to feel but I didn't change the ffb at all. No magic, just a smoother min force and that's it.
Wish developers would implement a curve-tool for minimum forced so stuff like my LUTs wouldn't be necessary :)
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E
Great LUT :) Changed my G27 feeling alot, Under the updates tab on this page i see you added this in september 2017 after this post was made

''To feel what the G27 is capable off: activate the centering spring to 150%. AC doesn't reach this level of force in my opinion! So I knew there was some headroom left for perfection! ''

My question ^ do we do this or just leave it, and what LUT is this for
RasmusP
RasmusP
Thanks for the stars! :)
The quote was to see what would be the maximum force the wheel can output. And I felt the clipping meter of AC cuts off a bit lower. So boosting the FFB level a bit higher after the clipping meter via the "recommended" LUT gives a stronger ffb into your hands.

But please disable the centering spring after testing this!! It's only for non-ffb games. Or to check the max force without running a game!
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S
Please, help me. I've followed the guide and everything worked perfectly, my g27 became a totally different wheel with very good ffb. But, after that assetto corsa gave me a "version mismatch" error and sort of a reset, my "ff_postprocess" file in Documents/AssettoCorsa/cfg continues to reset every time I start the game. I modify the file as written in the guide, I save, and it remain that way any time until I start the game. After I have started it, it changes back to standard and in fact the ffb is really bad. Can you help me sorting this out? I'm going crazy. "ff_process" in Drive/SteamLibrary/Common/AssettoCorsa/cfg is setted proparly and doesn't change, but it looks like this is ignored while the one in Documents is resetted continusly and used.
RasmusP
RasmusP
Thanks for the Stars! :)
For the issue please read the quote in the support thread but a short answer here: There is no obvious explanation but I had the same problem when using content manager. Do you use it or do you use the standard launcher?
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gruvendubs
Amazing upgrade to my G27 FFB! This has absolutely transformed AC for me. Let the hot lapping begin!!
RasmusP
RasmusP
Thank you! Replies like this motivate me to keep up doing such things :)
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Danny kung
Thank you for everything that you do! This is an amazing resource and guide. Well done
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Arconian
I haven't been playing AC for more than 2 years just because oscillations were driving me nuts. Now it's playable again! Awesome work man, thanks a lot!
RasmusP
RasmusP
Thanks for taking the effort to write a review! Great to hear that you can enjoy AC again! :)
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mtltroll
Excellent LUT file, really freshened up my dfgt & now my g25!

Quick question with the "recommended lut" tho. In CM settings, the gain should be 50%, but should it also be 50% in car or can we increase the gain in-car as long as content manager settings remain 50% gain?
RasmusP
RasmusP
50% cm gain, 80-120% car gain. Dial it in until the center feels perfect!
Thanks for the review :)
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J
Wow, I have to be honest I was skeptical at first, I didn't think this could improve the FFB that much but I only needed to race half a lap to realize what a game-changer it is. Using G29 and AC feels awesome now, racing feels so much more immersive now! Thanks a lot for your work!
RasmusP
RasmusP
Thanks for taking the time to write this nice message :)
Occasionally I went back to without a LUT and indeed, massive difference although it's really just a little curve for the few first percent of ffb output!
I wish you great fun with AC!
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gruvendubs
Dude, just when I thought it couldn't get any better. The new LUT is a major improvement. Thank you so much for all the time you have put into this. Every detail I feel is in appreciation to you man GOOD JOB!
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CobraCat
Takes AC to another level with my G29, simply astonishing!! Massive thanx for these LUTs. I've noticed with the 67 era F1 cars I get harsh vibrations while on the straight aways at Nords and other tracks. In the street cars and other non open wheel cars I don't have this problem. My gain is set at 50% via FFB clip and manual. Im using the "no clip but stronger" LUT
RasmusP
RasmusP
Thanks for the stars, glad that it works for you too! :)
I'll look into the vibrations and see where they come from!
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CavalierMetallo
Thank you very much!
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RiddleTime
I think for when I used my g27 it was a game changer, the dull feeling when the wheel was centered whilst driving was gone.

I might be overexaggerating but it made the g27 feel more like a T150/T300 in terms of accuracy. Just obviously the g27 has a little less peak Nm to provide.

Thanks for this!
RasmusP
RasmusP
Thanks for the review! I totally get what you mean and I don't think you're overexaggerating. The default G27 feels quite awful in comparison, which hurts accuracy at turn in. It's quite weak though, definitely!
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A
Thank you very much for your DFGT LUT! It is nice feeling on my wheel. Unfortunately my DFGT still have "center" notch. Or something like two rolls around current center. It may be not the true wheel center. I think it is mostly hardware issue with motors/wheel friction. But it disappearing with default settings with that sets low powers at center. In same time (in comparison my old "107" settings) your LUT is more soft. I like it! No more loud kerbs! I did only one modification of your LUT - removed light tremor when car is not moving (most first value - 0 | 0). I can't feel the difference in 0|0.070 and 0|0 settings. So I prefer not shaky wheel.
RasmusP
RasmusP
Thanks for the stars and feedback!
If the notch goes away with default settings you have too much force around the center. For me the notch also comes back when you remove the "tremor" as you call it. The wheel motors lose the "constant little energy" and you feel that hole then.
I'd suggest you put the tremor back in and just reduce the overall force feedback until the tremor and the notch fade away. That's what I always do with Numpad +/- for each car. + until the deadzone vanishes or - until the notch fades away :)
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D
Thanks for the hard work. I was using the lut but your revisions have made it that much better
RasmusP
RasmusP
Thanks man! Really appreciate the Feedback! :)
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TheReaper GT
You, my friend, is a miracle worker. I bet a whole lot, if not the majority of us, do not have time to explore those settings until satisfied. You've donated your time and expertise into amplifying other's experiences. I hope I can make a video about it for my small YouTube channel so others can enjoy such exponential improvement. Thank you very much, I do really appreciate your work.
RasmusP
RasmusP
Thank you for that kind Feedback. One thing you got wrong though: I donated my time for MY experience :D (ok, the Guide etc. was for you <3 )
Don't forget to post me the link if you do such video! :)
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R
amazing thank you now i can ply ac and fun fun
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Costas.H
Hello!

Haven't try it yet. In CM i don't have in AC inGame settings the options gamma, flter and sensitivity. In CM, at Post-Processing i have 2 sliders to set up. Center boost gain and center boost range. How i set up these? Bellow there are a checkbox "enable FFB post processing". If check it, it gives me 2 modes. One is Gamma and gives me to set up only gamma without filter or sensitivity. The second option it to load a LUT, the recomended one of your LUT. What i do?
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kerolah
Thanks for the write up i think i will try this! have you tested with a g25?
RasmusP
RasmusP
Thanks for the Stars :)
I only have a G27 and a friend has a DFGT. The g25 and g29 are pretty similar to the G27. If you click on the full guide thread (linked above), you'll see many people using these LUTs for their g25 or g29! :)
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V
Thank you for this guide man, my G29 feels a whole lot different now. No huge deadzone in the middle and the ffb feels quite strong as it should be. I'm experiencing some problems though, I'd appreciate if you could help me out with these:
1- My wheel feels quite tight at the center now, with no deadzone, but if I let go of the wheel when driving straight it oscillates left and right. Its not enough to spin the car out of control, but it looks quite weird.
2- In some tracks I experience huge rattling when I first drive off. I think it has something to do with AC engine, as the larger the track, the most rattling I get from the wheel. It makes a lot of noise and its quite annoying, I would like to know if there's any way to fix it.
Thanks in advance man, in the meantime I will take a look at your detailed guide and see if I can fix these
RasmusP
RasmusP
Hi, thanks for the kind words!
About your problems: Try to reduce the gain. 10-20% depending on the car. Press minus on your numpad to change the ffb for your current car while driving and see if it gets better. If not, please read the post from the following link. It seem that your G29 has a bit more gain than others so you need a bit less "correction" from the LookUpTable. Summary: open the lut with a text editor, reduce first value by 30%, second value by 20%, all other values by 10%.
https://www.racedepartment.com/threads/rasmusps-lut-guide-for-g27-29-and-dfgt.139869/page-13#post-3236290
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andreyali2174
Great setup and guide. No deadzone whatsoever. However, i feel the steering ffb is still too lightweight for me. Is there any settings to increase the ffb power?
RasmusP
RasmusP
Yes and no. You're probably unhappy about the maximum force output of the kinda weak Logitech wheel. However my "recommended LUT" doesn't reach 100% gain. Also you can "fake" stronger ffb by keeping the average ffb output higher, while losing some fidelity. Like a modern dance song vs a classic orchestral rekord. Both are mixed to hit 99.99% of digital output but the dance song will feel a lot louder.
I worked on such a "fake stronger" LUT for someone, read on from my post here:
https://www.racedepartment.com/threads/rasmusps-lut-guide-for-g27-29-and-dfgt.139869/page-13#post-3248817
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