The valve cover has nothing to do with having VTEC or not. It is just a different design. Having a Mugen valve cover doesn't make the engine Mugen, especially since Mugen doesn't make any gear for the D. The first valve cover is taken from another engine, in fact. 94-95 Civic EX/Si had that valve cover.
thanks for the info. So maybe someone can explain my confusion on my engine code and the following list:
My engine code says I have a D16y8, and I have what is considered the Si 2000 here in Canada (2 dr coupe with sunroof, etc...). So if that's the case, why does the following code say I have a CANADA EX?
ex:
EJ8 D16Y8 CANADA All 2-door EX
EJ8 D16Y8 USDM All 2-door/4-door EX
I have an Si (according to the logo on the car, 2 dr coupe and moonroof, etc...), so shouldn't my engine say I have a D16y7 as follows?:
EJ6 D16Y7 CANADA All 2-door DX/Si