Quote:
Originally Posted by N Camarolina
Might be because the Mustang doesn't use the TR6060, but rather the TR3160. Maybe the internals are different.
Or if internals are near identical, it might be what GM vs Ford thinks is the most appropriate lubricant since they are the ones to provide the warranty. Notice that when Tremec more recently came out with their own fluid for the TR6060, it's significantly more viscous than the GM specified trans fluid (probably better for heat protection at the track, but also more "crunchy" when cold).
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Gt500 cars used the tr6060, i forgot but the dodge challengers did too and they also used ATF.
The rabbit hole goes further lol.
When i was in tech school years ago, the instructor for drivetrains was going over locking hubs for front axle trucks. He was saying it was pretty standard for people to build those and use axle grease for the lubricant. But he used engine oil instead, he was telling us how the engine oil being thinner would be much less suseptible to resistance to move in colder weather. Unfortunately i never had a chance to build a locking hub that didnt happen to be lubricated from the axle itself.
That being said I'm pretty sure the OP car just has a messed up 2nd gear synchro. No lift shifts and bad timing with the clutch pedal a couple times and you round off the teeth on the blocker ring and synchro cone teeth.
I got my car used and i can feel 4th is a little "notchy" compared to the other gears. Luckily i don't really use it very often because i usually shift 1st 3rd 6th, but eventually i will need to pull the trans to do something and i will pop it apart and replace whats needed.