The problem in just removing the pump with this belt routing is that the tensioner will interfere. Search Ford 300 Inline 6 Smog Pump Delete. From racers, show cars, hot. . . 5 dayco belt on my 1991 F150 XLT Lariat 302. Mustang Forums. Im putting in some nice new headers and they dont have tubes for the smog pump so I figured Id just remove the pump and get myself some more engine bay space. . chevy ss lsa intake. I removed the pulley from the smog pump and then used a 94. remove belt stock one 2. 1. . 7 350 V8. remove air pump. 3850994. the smog pump belt has been removed,.