....a lot of liquid cash....!
https://bringatrailer.com/2018/02/03/amazing-kyalami-endurance-racer-1981-rover-3500-sd1/
Sorry, lil' late to the party... How do I find a dyno like that ?? As in 400 hp/3.5L. Let me guess and oem crank, sounds exciting in the worst possible way. A least the price is spot-on/lol.