Update. Finally got engine to fire after getting the Hydra to properly turn on all the multi-finction relays for fuel, crank and injectors/coil packs, installed RC injectors and got battery relocation and kill switch set up. Next step is to get the Hydra to properly send RS232 data to the dash and get all the misc data acquisition sensors and other sensors installed, as well as electrical switchgear and warning lamps for ABS, Alt, oil press, etc.
Meantime, here it is without the rear clam:
