Originally Posted by
1975StroppeBaja
The 5.4L has four bolts holding the mains -- 2 normal bolts and two cross bolts.
The V10 actually has real four bolt mains AND cross bolts, so six total!
Interesting... also found some good reading:
Whipple Industries Ford 1998-2004 5.4L/2 Valve Supercharger (Engine Performance - Superchargers) at Truck Hownd