The 80 kW sounds like fun, but motor alone is 7.5k, add a battery pack say another 7.5k (30 kWh) and various bits and bobs (drive shafts, fuses, cabling, airco, heater, CAN-simulator, bespoke battery box and mounting brackets, ...) another 3..4k and of course a donor car at 2..3k. That's over...