ok, so i hate how small the engine in my mazda is, and i sure as hell dont know anything bout foreign engines, just ford n chevy, but i was curious if there is ne type of engine that'll easilly fit in there, just mount up to everything.....?  

Lottsa options, how deep is your wallet?  How "mad" are your fab skills?

www.solomiata.com has lots of interchange info.

www.probetalk.com and www.mx6.com also talk about the F2 and FE (and FE3) motors.