Red Line 75W90NS Gear Oil 1QT - Universal
What is the best ZF transmission oil to use in a 1974 Pantera?
8 Warning Signs of Transmission Failure - McCarthy Morse Chevrolet Blog
Need advice on manual transmission
Is it hard to shift gears on an automatic transmission when going uphill? - Quora
Manual gearbox oil Toyota Celica Supra Forum
Info - Transmissions — Redpants
If anyone has changed the manual transmission oil after break in, what was it like?
Gearbox had the wrong oil in it? 5MT shifting problems fixed with thinner oil.
Can motor oil ruin a transmission? - Quora
Drained my manual transmission fluid and came out grey with metal shavings. Is my transmission's days numbered? : r/MechanicAdvice
Valvoline MaxLife in the ZF Tiptronic - AudiWorld Forums