When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
My mistake...I thought he was just asking about a 5.4 versus a 4.6. I missed the reference to the "v4".
I am uneducated as to the details of these engines. What does it mean to have a "5.4 V4"? I have a 2000 Expy with a 5.4. Is this the V4 engine or the same as the 98 5.4? Thanks for explaining. fitzy67
The 4V engine has 2 cams or (Dual Over Head Cams) per head while the 2V engine has a Single Over Head Cam per head. The Navigator was a 5.4L but came with the Entec or Intec badge on the engine and had the 4V's per cyl. While the Exped came with the 5.4 Triton and the 2V's.