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I recently purchased a 2010 Navigator. Decided to size down a little from my 07 Expedition EL. Its amazing how much more refined the Navigator feels from the Expedition. I honestly assumed that they were 'identical' except for grill and seats. Had a question about the air box in these...

I found an Aviator with 130,000 miles that has a rod knock. I got to thinking about it today and I have a 4.6 dohc from a Mark VIII. My first thought was to use the block from this and using the Aviator heads and intake. Then I started thinking custom. Ive seen 5.4 4v swaps in the sport...

Hello, The wife would like a Navigator. I wouldnt mind having one as well. We use to have a 2005 Expedition NBX that we sold a few years back and really enjoyed it. I personally wouldnt mind looking at an older Navigator or even one with the SOHC and putting a Lightning blower on it...

Ideally I would rather have a 4v Navigator. Why? Because its a 4v? Other then that and the extra power that it has stock. So here is my question. So what version can be potentially better for future upgrades? My thought was to get a 2v and upgrade the heads to PI and go with a Lightning...