I must admit that I do not have the beta but... Has anyone looked for the terrain.tdf file or equivalent? from base rF1 terrain.tdf: [TRACKVARS] RoadDryGrip=1.00 RoadWetGrip=0.80 RoadmetalGrip=0.80 RoadDustGrip=0.90 RoadBumpAmp=0.010 RoadBumpLen=13.0 RumbleDryGrip=0.95 RumbleWetGrip=0.60 RumbleBumpAmp=0.015 RumbleBumpLen=8.0 MiscBumpAmp=0.08 MiscBumpLen=4.0 // Rumblestrips (fake bumping added) [FEEDBACK] Dry=RoadDryGrip Wet=RumbleWetGrip Resistance=0.0 BumpAmp=RumbleBumpAmp BumpWavelen=RumbleBumpLen Legal=true Spring=0.0 Damper=0.0 CollFrict=0.4 Sparks=0 Scraping=1 Sound=rumble Reaction=tiresmoke Tex=smokewhite.tga Max=1024 Scale=(1.0,1.0,1.0) Growth=(4.0,3.0,2.0) ASDEnvelope=(2.0,0.2,3.5) DestBlend=InvSrcAlpha SrcBlend=SrcAlpha Reaction=skid Tex=skidhard.tga Max=2500 Pixel=NoReduceDetail Particle=Plane+Deformable+SingleSided DestBlend=InvSrcAlpha SrcBlend=SrcAlpha //Reaction=wetskid Tex=skidwet.tga Max=1024 Duration=0.40 Pixel=NoReduceDetail Particle=Plane+Deformable+SingleSided DestBlend=InvSrcAlpha SrcBlend=SrcAlpha Materials=rmbl AND // Grass [FEEDBACK] Dry=0.65 Wet=0.45 Resistance=100.0 BumpAmp=0.050 BumpWavelen=8.0 Legal=false Spring=0.0 Damper=0.0 CollFrict=0.8 Sparks=0 Scraping=0 Sink=0.014 Sound=grass Reaction=softskid Tex=skidgreen.tga Max=1024 Pixel=NoReduceDetail Particle=Plane+Deformable+SingleSided DestBlend=InvSrcAlpha SrcBlend=SrcAlpha Reaction=dust Tex=DustBrown.tga Max=128 TopSpeed=104.0 Scale=(0.75,0.75,0.75) Growth=(2.0,2.0,2.0) ASDEnvelope=(2.0,0.2,3.5) DestBlend=InvSrcAlpha SrcBlend=SrcAlpha Materials=gras // rough Grass [FEEDBACK] Dry=0.65 Wet=0.45 Resistance=1500.0 BumpAmp=0.060 BumpWavelen=6.0 Legal=false Spring=0.0 Damper=0.0 CollFrict=0.8 Sparks=0 Scraping=0 Sink=0.014 Sound=grass Reaction=softskid Tex=skidgreen.tga Max=1024 Pixel=NoReduceDetail Particle=Plane+Deformable+SingleSided DestBlend=InvSrcAlpha SrcBlend=SrcAlpha Reaction=dust Tex=DustBrown.tga Max=128 TopSpeed=104.0 Scale=(0.75,0.75,0.75) Growth=(2.0,2.0,2.0) ASDEnvelope=(2.0,0.2,3.5) DestBlend=InvSrcAlpha SrcBlend=SrcAlpha Materials=grxs Seems to me that adjusting the terrain file would address the problem directly and not mess up the FFB on track. But hey, what do I know