2000 EX question

[thermal]

We have a bunch of peeps from Canada on the board to clarify your question. There are minor differences in civic "badging" from U.S. and Canadian models:
The U.S. Civic EX is the sameas a Canadian Si (d16y8 127HP SOHC VTEC)
The U.S. Civic Si is the same as Canadian SiR (b16a 160HP DOHC VTEC)

I think that there maybe other differences on other models...

The VTEC SOHC valve cover came on the 5th gen .......