You'll need to drop the tank and remove the pump. Mount the new pump on the frame rail near the tank, NOT on the side of the engine. Install a pressure guage while you are at it..
Ops
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01 QC, tow package, 4X4, 33" Hankooks, Edge EZ, 4:10s with LS, 5" straight pipe. Updated May 07: Holley Black on the frame rail, ISSPRO fuel pressure guage. Modified heachache rack, brush guard, 100w driving lights. Goerend triple disc and VB.