I'm wanting to create a manually BoP'd grid so I can race Sophy 2.1 in all historic cars (60s-70s). Has anyone done this or know of any resources or best way to approach so I can properly set this up? Would be really cool to have some custom racing liveries and race these cars "competitively" for fun. Thinking is putting all in racing hard tyres and then adjusting power and ballast untill they all are around 600pp or maybe 650pp. Thoughts?