SHELBY GT 350 Member
Joined: Sep 2010
Location: see user name
I think the answer is "yes", but there are others here who can tell you definitively. Check over at modularheadshop.com, I am pretty sure that they make/sell cams specifically for PI swapped NPI engines.
2001 GT Convertible
All the usual bolt-on's /200 I6, C4
And a few Explorers too... 2008 4.0 XLT 4x2, 1996 XLT 5.0 4x2, 2003 Sport Trac XLT 4.0 4x4