There are many types of classic differential, the basic function of a classic diff is no different to any modern differential it’s just the technology used in producing a modern day diff that is totally different. In fact you can find all sorts of classic differential just like you can a modern day one: standard open diff, 1 way / 2 way / 3 way LSD’s and welded. This makes finding the correct classic differently oil vital in protecting the components and ensuring the maximum performance and efficiency is achieved. If you are in any doubt of what oil is correct for your vehicle use our look up guide to get a recommendation, or if you have a modified, race or unique vehicle get a custom recommendation from our expert team.