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1991 Group C Mod 0.80

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This new version adds physics refinement to both the Mazda 787B and Porsche 962C.


Porsche 962C
  • ADDED: New Torque Curve for each engine. More Torque at low RPM and power peak at lower RPM to make the engines more “Porsche”
  • CHANGED: Engines use a bit less fuel
  • CHANGED: Small increase on brake power
  • CHANGED: Headlight flicker reduced but remains for now as the only way to stop it is to increase near cam clip distance which when changed to fix flickering, clips the cockpit, so not useable.
  • FIXED: Manual clutch torque

Mazda 787B
  • CHANGED: Small physics adjustments
  • CHANGED: Drag adjustment
  • CHANGED: Small decrease on brake power
  • CHANGED: Downshift sound modified/removed when using manual clutch
  • FIXED: Manual clutch torque

The 1991 Group C Mod includes the Mazda 787B and the Porsche 962C in the latest version of the mod for rFactor 2. Featuring unique realistic physics for each vehicle as well as different tire compounds, this is your chance to get behind two of the most iconic cars in the history of Group C racing.

  • 1991 Mazda 787B model by Ionut Nicolaescu, updated by Dmitriy Barishev.
  • 1991 Porsche 962C model by Dmitriy Barishev
  • Reworked Physics for both vehicles
  • Open Beta Base Sounds
  • ADDED: Porsche 962C
  • ADDED: Various Graphical Enhancements
  • ADDED: Group C Overview Document detailing info on the vehicles in the mod and setting them up.
  • REWORK: Physics for Mazda 787B and Porsche 962C
  • FIXED: Various graphical bugs
  • Mod Production Manager: Petros Mak
  • 3D Vehicle by: Ionut Nicolaescu
  • 3D Vehicle Updates by: Dmitriy Barishev
  • UV Mapping by: Lukasz Kacprzykowski
  • 2D Textures by: Doug Parker, Nigel Phelan
  • In-Game Specialist: Stephen Young
  • rFactor 2 Physics by: Damian Baldi
  • Sounds by: Alvaro Perez

All vehicle brands, series brands, team and driver logos, liveries and other replications placed in this mod from the real season are proprietary property of their respective owners. All rights reserved. MAK-Corp does not have nor claim to have any affiliation with any brands, teams or drivers that are represented within this mod unless stated otherwise.

All aspects of this mod are copyrighted material of MAK-Corp and should not be used in any way, shape or form without express prior written permission from MAK-Corp Management. If you wish to use this mod for any reason, please contact us at

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