I just got an Order Confirmation email. Don't mess with me like that Ford. 😭 I finished up my 2022 order with my dealer the first week order books opened, why tell me now.
I currently have a F-150 with the 2.7, 3.55s with 315/70R17. First gear is plently low enough. If the first gear is similar on the Bronco, I wouldn't worry about regearing until you start hitting 39s
The Explorer had a A4LD which is an automatic. It's a modified version of the C3 (Pinto uses this) with an overdrive gear. The manual was actually a 5 speed. I had a first gen explorer with the A4LD, that transmission grenaded at 120k.