Version 5.5 Changelog:

-Now the engine file names are swapped with my stock 6NZ for consistency

(If you're using this engine, you have to reselect the engine)

-New jake brake for the main variant

-Lots of not-major adjustments

Version 5.2 Changelog:

-Slight exhaust tone change

-Minimized exhaust distortion when hitting 1500rpm bark

-New 3rd stage jake brake for main variant

-Minor adjustments

[1/8/2025|1.53]

Version 5.1 Changelog:

-Added separate engine variant with different, smoother jake brake sound

(The sounds are all identical except 3rd stage jake brake)

-Reduced exhaust distortion

[1/4/2025|1.53]

Version 5.0 Changelog:

-New exhaust load samples

-FAN SOUND!!!1!!1!!!1!!1

-General sound system improvement

-Fixed 600HP displayed on 625HP engine

-More compatible trucks

-Added optional mod function

[4/12/2023|1.46-1.47]

Version 4.0 Changelog:

-Rebuilt the entire mod (again)

-Yeah that's pretty much it

[6/23/2022|1.44]

Version 3.0 Changelog:

-Basically rebuilt the entire mod (Big thanks to Louisiana Truckspotting for sound recording)

-Included idle jake brake system

-Included Customizable Additional Supported Trucks (CAST) in the mod

If you don't know what CAST is :

https://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

and you should good to go

How to use idle jake brake:

1. hold light horn button (J button) for 1 second, then release

2. tap light horn button once again, and idle jake brake should be engaged

3. Repeat the same process to turn off 

Note: idle jake brake is not compatible with the mods that have interior switches sound

(sound fixes pack is exceptional but put my mod on top piority)

[2/1]2022|1.43]

Version 2.1 Changelog:

-Supported BSA Freightliner Classic XL

[12/8/2021|1.42-1.43]

Version 2.0 Changelog:

-Updated for 1.42/1.43

-Rebuilded sound

-3 stages jake brake included (Note: sound from SCS Kenworth T680)

-Supported more trucks

-Better engine data

 [8/20/2021|1.41]

Version 1.2 Changelog:

-Reduced exhaust sound

-increased engine sound

-reduced turbo sound

-improved sound attenuation

 [8/19/2021|1.41]

This mod is CAT C15 6NZ engine straight pipe for some SCS trucks and many modded trucks.

(Some SCS trucks will don't support because there's no C15 engine in real trucks,

also if this mod doesn't work on any mod truck tell me so I can make it support that truck)

Feature:

-CAT C15 6NZ 435, 500, 550, 595, 625 engines with straight pipe sound

(625hp engine also replaced on SCS pete389 and kenworth w900)

-Smooth & Realistic engine & exhaust sound

-Custom sound attenuation for more realistic sound fade off

Credits:

Slav Jerry - sound modding

SCS Software - main sound samples and engine files

[6/23/2022|1.44]

Version 3.0 Changelog:

-Basically rebuilt the entire mod (Big thanks to Louisiana Truckspotting for sound recording)

-Included idle jake brake system

-Included Customizable Additional Supported Trucks (CAST) in the mod

If you don't know what CAST is :

https://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

and you should good to go

How to use idle jake brake:

1. hold light horn button (J button) for 1 second, then release

2. tap light horn button once again, and idle jake brake should be engaged

3. Repeat the same process to turn off 

Note: idle jake brake is not compatible with the mods that have interior switches sound

(sound fixes pack is exceptional but put my mod on top piority)

[2/1]2022|1.43]

Version 2.1 Changelog:

-Supported BSA Freightliner Classic XL

[12/8/2021|1.42-1.43]

Version 2.0 Changelog:

-Updated for 1.42/1.43

-Rebuilded sound

-3 stages jake brake included (Note: sound from SCS Kenworth T680)

-Supported more trucks

-Better engine data

 [8/20/2021|1.41]

Version 1.2 Changelog:

-Reduced exhaust sound

-increased engine sound

-reduced turbo sound

-improved sound attenuation

 [8/19/2021|1.41]

This mod is CAT C15 6NZ engine straight pipe for some SCS trucks and many modded trucks.

(Some SCS trucks will don't support because there's no C15 engine in real trucks,

also if this mod doesn't work on any mod truck tell me so I can make it support that truck)

Feature:

-CAT C15 6NZ 435, 500, 550, 595, 625 engines with straight pipe sound

(625hp engine also replaced on SCS pete389 and kenworth w900)

-Smooth & Realistic engine & exhaust sound

-Custom sound attenuation for more realistic sound fade off

Credits:

Slav Jerry - sound modding

SCS Software - main sound samples and engine files