Need help with my PI Head swap!
Senior Member
Joined: Oct 2004
Posts: 379
Likes: 0
From: Eau Claire / Milwaukee, WI; USA
Originally Posted by JMC
The 4.6 got the Pi heads in 01. Ford switched to plastic when they changed the intake. So if you have a metal intake for a 4.6 it is not a PI intake. Just look at the shape of the runner ports. Tear drop is Non Pi.
JMC
JMC
Doug
Technical Article Contributor
Joined: Dec 1997
Posts: 9,417
Likes: 11
From: Windsor,Ontario,Canada
Originally Posted by DDan1967
Just a note. The 2004 4.6 F-150 went back to an full metal intake again. At least my 2004 romeo engine from a F-150 manufacured in March '03 at the Kansas plant does. And yes it is a PI head engine.
Doug
Doug
Is that engine for a new model F-150? It looks like it has the drive by wire throttle body.
JMC
