So it's time to continue baselining my GF's car and the next order of business is the manual transmission. What is the hive consensus on type/viscosity? Does it have to be GL-4 or GL-5? 75W90 or ??
In the past my "GO TO" fluid has been RedLine MTL which is the perfect cure for an early Miata "notchy" transmission.
In the past my "GO TO" fluid has been RedLine MTL which is the perfect cure for an early Miata "notchy" transmission.