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.
2v is 97-03 3v is 04 and up is the basic rule. For the 4.6 or 5.4
That's actually not true. I have an 05 4.6l that is a 2v. Easiest way to tell would be to see if you have VCT solenoids. 2v engines don't have them while the 3v do.