I think that was a production Trannie with a bit of ballast thrown out. This is going to be a mite quicker .
Yeah, IIRC they stripped out everything that wasn’t structurally important then taped over all the panel joins to improve streamlining (It’s a breezeblock on wheels!), then let her thrash the hell out of it.
Dunno what motor they’re planning on using, but the 3.5ltr V6 Ecoboost that they put in the US Transit would be a good start, it’s possible to get upwards of 400bhp* out of it, with less weight than a V8.
* I have a vague recollection of more than 500bhp, but I’d have to search online.
edit – yeah, 600bhp is considered a ‘safe’ build, it can go higher, but with doubts about the ability of the transmission to cope…
https://www.fordnxt.com/tech-stories/engine/ecoboost-build-600-plus-horsepower-from-a-livernois-built-3-5-v6/