not using alternator pulley steeda

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    96-04 Steeda UDP using ONLY Water pump & crank pulley?

    For those who’ve installed Steeda Underdrive Pullies for 96-04 Mustang GT 4.6 2V using ONLY the water pump and crank pulley supplied, did you need a shorter belt? Or does the belt tensioner take the slack out? I’m currently running stock size belt and I sold the Steeda alternator pulley because...