I recently bought a 2004 Expedition 5.4 with a production date of 2-11-04. I understand Ford went from a two valve to a three valve engine at some point and was wondering which engine I might have. Also wondering why they would have changed this.

Excuse my ignorance, I'm trying to educate myself.

 

I dont think they moved to the 3V 5.4L until '05 for the expy
I know you could get the 3V 5.4L in the '04+ (new style) F150s.

 

check the 8th digit of your VIN... that will tell you

 

The 3V didn't make it to the Expygators 'till the '05 model year.

 

Doesn't it usually say in the manual? And on a lot of the new 5.4's I've seen it printed "3V" On the cover panel on the top of the engine.

Just a thought...

 

The eighth VIN position is the engine displacement
and number of cylinders
• L — 5.4L, SOHC, EFI, 2V, V-8, gas
• R — 5.4L, DOHC, EFI, 4V, gas
• W — 4.6L, SOHC, EFI, V-8, gas

 

4-valve? Boy that would sure be nice

 

yup... those Navigators with the 4V are quite peppy.

 

Yep, too bad they arent in the F150s.