Best bang for buck mods on 4.6???

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Mar 28, 2007 | 11:47 PM

#16

Faster150

Senior Member

Joined: Jan 2005

Posts: 5,389

Likes: 0

From: Fort Worth,Tx

Quote:

Originally Posted by ONELOWF

I thought that 99+ were PI - ??

in the 01+ they brought in the PI heads

Mar 29, 2007 | 12:26 AM

#17

jbrew

Technical Article Contributor

Joined: Oct 2005

Posts: 25,641

Likes: 19

From: MI

Quote:

Originally Posted by ONELOWF

I thought that 99+ were PI - ??

That's true for the 5.4L Motors 99+ were PI..

The 4six motors didn't get them until 01...

Last edited by jbrew; Mar 29, 2007 at 12:29 AM.

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