RENAUL CLIO BOX RELATIONSHIP

Hello Friends of Forum I wanted to ask you for help, I am doing a job for the FACU in which we detail perfonrmance curves of a particular car .. the one that I play ami is the Renaul Clio 1.2 16v Model 2003 I have most of the data that I need but I do not find anywhere the relationship of marches and differential if someone can help me I will be more than grateful !!!