[jason03se]

After 2 hours of reading through your wonderful site to find some engine info, I could not find models pertaining to 2003. I have a SE 2003 auto. Is it the SPI or ZETEC? How do I tell?

 

[grenada_focus]

The Zetec engine has '16V Zetec' on its valve cover and the SPI has 'Split Port'. Additionally, the Zetec has a black valve cover. Try looking at the picture gallery for a better description

 

[fordblue72]

check my cardomain site. Look at the white emissions sticker under the hood. It will tell you the family which is the size.

 

[Sting2324]

SPI

Zetec

Duratec

---Randy