There's now a version of the Beck 904 on Velos site, with an updated tune by him. I haven't had a chance to try it yet, so I can't comment on how it drives:
https://velosmodsworkshop.com.mx/porsche.html
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Porsche 904 (Beck Version)
by Mac Ten
A fellow modder, Mac Ten, recently released a Porsche 904 (Beck version) to a lot of criticism regarding the physics and other minor issues.
In my wisdom i have made some changes to the car (to Mac Ten's knowledge).
As always please advise of any issues.
CHANGES:
Changed some suspension data.
Changed aero data.
Changed and added flames and repositioned.
Changed flame presets.
Changed front tyre data.
Updated sound.ini
Renamed car file.
Added Disc dummies and added new data to brake.ini to enable disc glow.
Subtracted drive train power loss to power.lut.
Changed inerior glass shaders to ksWindscreen
Changed car file name and sfx details.
Link to Car:
https://www.mediafire.com/file/dd7xf54rxo3lhpx/porsche_904.7z/file