Well, it is a quattro.... Don't think I haven't though about building a 5 cylinder turbo independent suspension buggy...
FWIW it had hydro boost from factory, but too expensive to fix when it went wrong, so runs a normal servo now.
14.18 at the battery is fine, there will be voltage drop between the alternator and battery so you won't see the full 14.5V
Other cars have a straight 14V regulator, and charge fine.
Looks like one of these:
https://www.lrbits.co.uk/drivelodge-lifting-pop-top-roof-defender-110
However, if I were doing a lifting roof it would have to have the bed in it.
Of course, being in the states, and access to cheap LSs autoboxes and numerous different transfer cases, and the vehicle being a long wheelbase, I wouldn't be putting anything LR based in it.
My point is, sliding calipers work exceptionally well in reality for a normal road car, for maintenance, price and performance, and do have some inherent benefits, on a race car or a 500BHP 3-ton Range Rover price is not really a consideration any more.
This is good news, but we desperately need some pic or preferably video once she is not sat on the bump stops
Yes, they do, especially when the oil is really hot, you get used to them though.
Sounds like your lambda is pretty unhappy, the wide-band makes things so much easier for tuning, if you have an offer of one I would take it.