1997 Ford E-150 Econoline Engine: 4.2L V6 GAS; With A.C.; Position: Smooth Pulley;. 1998 Ford E-150 Econoline Engine: 4.2L V6 GAS; With A.C.; Position: Smooth Pulley;. 1999 Ford E-150 Econoline Engine: 4.2L V6 GAS; With A.C.; Position: Smooth Pulley;.