if you're gonna go FI I don't see why a zetec wouldn't be an option.

But I don't know if the zetec can handle 300HP on stock internals...now if you were shooting for 200HP then go for it.

But I thought the stock miata engines were good on their own?

IonNinja 2005 Saturn ION-2 Sedan 1996 Ford Contour GL - Collecting dust...Zetec project anyone?