Quote: Type F is a friction modified fluid Ford had to use because their transmission clutch packs wouldn't hold. It's really not a viable fluid with todays materials, it's 40 year old technology that has past it's usefulness.
And I'll continue to use the cheap old stuff since I still get 1.19 60' out of it... and my trans hasnt been opened up in 4 years now
The real reason was Fords used to use paper clutched, and the friction modified fluid would make the clutches work rather than smoke.
And there is nothing wrong with it in a mopar. Makes the clutched hold better.