Since this thread is already being flooded with offtopic posts, I will take the opportunity to ask - what exactly is wrong with bumping old threads? Could anyone enlighten me, please? I genuinely have no clue.
Yes, this very much needed for example for showing buttons with custom lap tracking info of a spectated car.
However, a little problem with CCH packet is that for some reason there is like a 4 seconds delay before the packet is reported, whereas for example IS_CIM packets are reported immediately. But I guess it's still better than nothing even with the delay.
Open ..LFS/cfg.txt and make sure OutGauge Port is different than your InSim port (if you are not setting InSim port manually every time you start LFS [I hope not ] then your InSim port is set in ..LFS\data\script\autoexec.lfs.