LFS Z34 Pro Tweak v1.2 [Update 22.05.2011: V1.2.1]

This program gives you the ability to edit all LFS Z34 cars.

-Save/Load All values in a file or Save/Load just a part of the values.
-Edit all possible at this moment cars characteristics.
-Wheels values converter from real life values to lfs tweaking values.

Update 22.05.2011: V1.2.1
-fixed FBM turbo enable/disable option.
-added z30/z31 saved tweak files load compatibility.

Thanks to "TheTime" for coding this awesome and exclusive Tweak Program for LFS Z34.
Requires Microsoft .NET Framework 3.5  or the newest .NET to work.

How to use it:
1. Download and Unzip the file linked below anywhere in your computer.
2. Run the game and the .exe file from the archive.
3. Write the new values in the program boxes and click the "Update Values !" button to send the values to LFS.
4. Go back to LFS and Check your new car.



  1. Doesn't work.
    Unhandled exception.
    InvalidArgument=Value of '57' is not valid for 'SelectedIndex'.
    Parameter name: SelectedIndex

  2. Hey, nice work on the mods.. they make the game way better to play =D

    Would love to see these in the future for Z34:

    - Tyre cooling mod or extended tyre life
    - Enhanced smoke mod
    - Rim style selector

    Keep up the good work :)

  3. Yess, need programs!

    - Tyre cooling mod or extended tyre life (with editable value)
    - Enhanced smoke mod
    - Rim style selector
    - Steering Lock MOD

    FOR Z34


  4. pls make this mods ALL in1!

  5. I love!!!! your Tyre cooling mod !!
    I drift everyday and it's very useful !!! thx i wait for Z34 tyre cooling mod

  6. smoke mod+tyre cooling doesn't work...it will be no smoke at all...

  7. This comment has been removed by the author.

  8. First working tweak with z34 <3 love it!

  9. plz tell me wat happened i used the turbo thingy and the turbo sound stopped working after a 30mins i cant fix it