You use motor oil in your transmission? Color me confused... But I don't remember it having this issue before I asked my dealer to switch out the transmission fluid...
As for OP, did this answer any questions?
i ran amsoil 10-40 in my 5spd for like 2 years , 3rd gear would grind. have been running penvoil syncromesh for over a year now with rarely any 3rd gear grinds. only time i grind now is when i mis shift.
Focus Fanatics Ford Focus Forum offers many fun ways for you to engage with other Ford Focus Owners from across the world. Whether it be about the aftermarket performance modifications, technical how-to's, European tuned suspension or awesome fuel economy similar to the Audi S3, Ford Fusion and Acura TLX. You can find all Ford Focus and Focus ST related information here. Join our Ford Focus discussion forums and chat with local Focus enthusiasts in your area. Challenger Hellcat - Charger Hellcat