No, you're not wrong, you're spot on...and believe me us Zetec owners have been looking into all the different Foci parts available. Unfortunately we've run into problems with almost every single one of them. Throttle bodies, engine mounts, intakes, suspension, plug wires, turbo kits, headers, intake manifolds, cams, cam gears...you name it we've probably looked into it. Somethings work okay but for the most part stuff just doesn't fit right. Go browse the Zetec forum from the last year(when the Foci have grown exponentially)and you should find some of our info. Overall, we've actually had better luck matching up/using performance parts from the zx2's than anything else.

Enjoy.