Made sure all bolts/nuts were tighten correctly and in the correct spots?

Or could be the bov could be rubbing against something if its a different (larger) in size?

__________________
1997 White GC8 WRX - 3" TBE, Apexi pod, V6 STI TMIC, Kei Office coilovers, Whiteline F strut brace, GReddy Profec B Spec II, 2004 F&R brakes..