no worries^^ D:\Rockstar Games\Grand Theft Auto V\mods\update\x64\dlcpacks\lspdpack\dlc.rpf\x64\levels\gta5\vehicles\lspdpack.rpf\ is the location where the .ytd and .yft files go,
carvariation.meta goes here: D:\Rockstar Games\Grand Theft Auto V\mods\update\x64\dlcpacks\lspdpack\dlc.rpf\common\data
and the Vehicle.meta needs to be put in here: D:\Rockstar Games\Grand Theft Auto V\mods\update\x64\dlcpacks\lspdpack\dlc.rpf\common\data\levels\gta5
Hope that helps you out a bit mane