Uploaded April 2022 | Updated September 2026, 8 hours ago

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Version 2.0 Changelog:
-Rebuilt sound from scratch
-New exhaust samples
-Included a lot of new sound systems
-Included idle jake brake system
-Supporteed more trucks
-Updated engine informations
-Included Customizable Additional Supported Trucks (CAST) in the mod
If you don't know what CAST is :
steamcommunity.com/workshop/filedetails/discussion/665335536/3156453942274154402

Quick tutorial on how to use CAST
1. Goto def/vehicle/truck/
2. Rename one of zcustom_xx into truck def name you want
(optional but should do)
3. get inside that folder/engine/
4. Open every 8v71x.sii files and look at line 3
5. change "8v71x.custom.engine" to "8v71x.(truck def name).engine" for every files in that folder
and you should good to go

How to use idle jake brake:
1. Hold J for 1 second and release (release in 1.5 seconds) and idle jake brake should be engaged
2. Repeat the same process to turn off

Note: idle jake brake system will not work with some kind of interior sound mods

Download link:
forum.scssoft.com/viewtopic.php?t=303375