Originally Posted By John_Kunkel

Friction modifiers can make the fluid either more slippery or more aggressive...in the case of type F, it's more aggressive.


That's because Type F has no FM. A HFM (highly friction modified) fluid like ATF+4, on the other hand, allows much more slippage of friction materials. Dex is somewhere in between.

It's Swifty! Swifty, you toad sucker!