i had to cut just the lip on the front core support, the lip thats about 1/2" wide that folds from the front towards the engine. i cant recall how much i had to cut but i know it wasn't much.
i have all new parts for the 5.2L & 5.9L engine i got from hughes engine, what i have is a new STD oil pump (hughes pn# HUG6602), new cam bearings (pn# HUG4150), and the a new pick up (pn# HUG6899). shipped from oregon $75