Create/src/main/resources/assets/create/blockstates/furnace_engine.json

{
  "variants": {
    "facing=north": { "model": "create:block/furnace_engine/body", "y": 180 },
    "facing=south": { "model": "create:block/furnace_engine/body", "y": 0 },
    "facing=west": { "model": "create:block/furnace_engine/body", "y": 90 },
    "facing=east": { "model": "create:block/furnace_engine/body", "y": 270 }
  }
}