1980 Ford E-350 Econoline Club Wagon Engine: 5.8L V8; 1 Bypass Tube; Standard Duty;. 1980 Ford E-350 Econoline Club Wagon Engine: 6.6L V8; 1 Bypass Tube; Standard Duty;. 1981 Ford E-350 Econoline Club Wagon Engine: 5.8L V8; 1 Bypass Tube; Standard Duty;.