C Crossy Member Apr 27, 2016 #1 Hi, What oil do you use in a 3.7 s14 Diff? Would 85w/140 be too thick? Should I use something like 80w/90? Thanks
Hi, What oil do you use in a 3.7 s14 Diff? Would 85w/140 be too thick? Should I use something like 80w/90? Thanks