This has an interesting air-intake setup.
https://www.facebook.com/marketplace/item/1370232563455008
“Model 451GB1, body restored, licensed and mechanically solid. Interior needs work. Gauges don’t work. Spare tire, rear mount not installed in photos, and spare used engine goes with this deal. Does not use oil, driveline and engine,4 cylinder flat head, running condition. Mileage is unknown Has a tow bar so can be pulled”