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October 26, 2024

GT4 1.0 Release

Final release GT4 Pack:


• Complete New Physics for all cars made by Chemflummi
• New tire model
• Corrected Driver Animations/Positions
• Finished esthetics works , Bugs corrected
• Extensions corrected
• Complete New BOP



Download:

MEGA

G Drive



Pack includes following cars :


• Alpine A110 GT4

• Audi R8 GT4

• Aston Martin Vantage GT4

• BMW F82 GT4

• BMW G82 GT4

• Camaro GT4

• Ford Mustang GT4

• Ginetta G55 GT4

• KTM X-Bow GT4

• McLaren 570S GT4

• Mercedes AMG GT4

• Mercedes AMG GT4 EVO

• Panoz Avezzano GT4

• Porsche 718 Cayman GT4

• Saleen S1 GT4

• Sin R1 GT4

• Toyota Supra GT4

Features:

• Rear wing, springs, arbs, toe, camber, dampers are adjustable

• Full CM Paint-shop Support

• enable yellow lights by config line in skin extension file

Big thank you to all our partners, helpers and testers without you this wouldn't had been possible!!!

Special thanks to Bonny for helping on the Audi.

Checkout Chemflummis other creations at:

www.chemflummi.com



ENJOY !)

Comments (32)

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Thomas2025 skins for ac · September 14, 2026

template pls?

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zty · August 20, 2026

Hello Guerilla 。Thank you very much for creating such excellent mods. I really enjoy your GT4 Pack.I’ve run into an issue with the dashboard camera views on several cars. After downloading the GT4 pack, I noticed that many of the cars have problematic dash cam positions. For example:The Aston Martin Vantage GT4 view is too low, making it hard to see the road. The BMW M4 GT4 view is positioned too far forward, so the gauges are not visible (I can only see over the dashboard). The Audi R8 GT4 view is so high that the road is almost completely blocked. Interestingly, the Porsche 718 Cayman GT4 seems to be one of the few that works normally.Like some other players, I don’t have the built-in Onboard Settings app available in my Assetto Corsa (it may have disappeared for some reason). Because of this, I had to unpack the data folder and manually edit the dash_cam.ini parameters. Unfortunately, after doing so, all the liveries became completely corrupted (showing as garbled textures), and the car would no longer load into the game.Would you be able to help me with this? I would like to adjust the dash cam views while still being able to use the cars normally.Thank you again for all your hard work and for the great content you provide to the community!Best regards, zty

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LCRS13U · August 18, 2026

?

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LCRS13U · July 31, 2026

Content Manager says there is an update for GT4 cars from 1.0 to 1.1? But I see you have not posted anything besides 1.0?

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AC-ASPIRE · July 27, 2026

Why do the cars with yellow headlights no longer have them?

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Tim Carter · June 20, 2026

The FFB when driving the Mustang is really strange. Almost no feeling when the steering wheel is near centre, and then full spikes of FFB going over bumps and curbs, with little constant force when cornering. Anyone else have this issue with this car or any of the others in the pack? I'll also add the Ginetta to the list of cars with really weird FFB

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Grega O · June 17, 2026

Can you please fix the AI for all the cars. They all fly off the track, none of them stops enough or in time... I tested it on a lot of tracks but the problem persists, most prominent on Le Mans...

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X X · June 15, 2026

Bonjour, top mod, mais ya un truc que je comprends pas. Quand je prends la toyoya supra gt4 et que je passe mes vitesses en séquentiel sans soulager les gaz la voiture prend des tours (c bref) a chaque passage de rapport. Sur les autres voitures ce problème n'apparait pas.

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Alejandro Balado Fraga · June 9, 2026

I know I'm asking for a lot, or maybe it's even possible to pay for it, but I really need the mod you have for the 2007 Suzuki Swift Sport 3-door. I can't find it anywhere, and you have it. It's the only 3-door mod I've seen, which is amazing! thanks

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Zayman 1090 · May 24, 2026

hello. the mustang gt4, is from which year?

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Giacomo · April 23, 2026

The porsche cayman downloaded from actk , is a piece of soap on wet glass whit wet asphalt.

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guerilla mods · April 23, 2026

You downloaded from untrusted sources 😜 ohh and we don't mention Bruno's page here! Be save to not get your pc kidnapped by collecting mods this way.

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X90 · February 28, 2026

did this just get an update? still hoping for AI improvements on these cars and many of your others.

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X90 · March 4, 2026

Bump. Still looking for a GDrive or Mega link for this update - I prefer not to use CM updater and clean install.

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Trenton DeLeon · November 2, 2025

When’s the Nissan Z coming?

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Sven Lingott · May 28, 2025

Hey there, I have a problem with almost all of your mods - the steering is switching left, right, left right all te time - its just like the car wants to drive slalom itself - very annoying - do you have any ideas what might be the problem?

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CAM22b · April 13, 2025

Gear Ratios are Wrong for BMW M4 GT4. BMW GT4 has too many gears (IRL Car has 6, In-game car has 8).

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Dallas Alexander · July 11, 2025

Incorrect, the IRL car has the same gearbox as the road car - ZF 8 Speed

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Erdem · January 7, 2025

Hello, i have a problem with the pack, all the cars engine/ exhaust sounds are broken, clean install first time downloading.

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Lawrence Filomeno · December 23, 2024

Hey, out of curiosity, what dlc packs is this mod pack dependent on?

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Денис · December 4, 2024

Hello, sorry to bother you, but I searched for information online and couldn’t find anything. I have an issue with all your cars — they brake very poorly, and I don’t understand why. It feels like the brakes aren’t working at full capacity.

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GUERILLA Mods · December 11, 2024

did you checked your brake temps? we had a 24h race with them and for now nobody was reporting such issues even with older csp! we always recommend to use latest csp preview build to make sure all the new stuff is working properly.

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GUERILLA Mods · November 5, 2024

Link shotener removed and direct folder links added for those who had problems ;P

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Borey Engineering · November 5, 2024

How can keyboard or mouse driver deal with the brake force problem? it don't seem to go 100% can you help?

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GUERILLA Mods · November 5, 2024

We're using the new csp brake and tire system. Sounds like keyboard and mouse is not fully supportet jet...

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Lawrence Filomeno · November 5, 2024

hey boss, i know you must be busy but the links are broken again

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GUERILLA Mods · November 5, 2024

both links are working for me on google chrome

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Ali · November 2, 2024

I was driving Laguna Seca / Aston Martin Vantage GT4 combo a lot last week at iRacing. Came across this mod pack and decided to try the same at AC. I am not very knowledgable about AC modding community and honestly wasn't expecting this car's driving to be this close to iRacing's AM. 10/10 keep it up.

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Tim Carter · October 26, 2024

I've been occasionally checking for updates on this pack, and you guys have finally delivered!! In practice mode everything is fantastic, but in races I'm getting really bad crackling audio. Any ideas what this could be, or how to fix it? I deleted the old pack, and installed 1.0 manually, if that helps. Thanks.

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GUERILLA Mods · October 26, 2024

crackeling audio is mostly caused by laggs! since our quality increased on the pack from 0.99 to 1.0 i would assume them to be 'more hungry' than the old pack. A lot of 4k skins can cause laggs as well!

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INVSBL HND · October 26, 2024

Thanks so much for these updates! Some of my 0.99 GT4s updated through content manager, but some don't seem to work, and I can't seem to get the links in your post to work either.

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GUERILLA Mods · October 26, 2024

just updated all cm updater links to mega since gdrive was making problems! wanted to prevent 'you reached your daily bandwidth' messages but did't worked... let me know if you was able to download them all please otherwise i'll send you a link in dm