[korybobsimpreza95]

okay here's my questions, how does the ej25 non turbo act with sti internals, are the pistons the same diameter? is their any way to hybrid this together? just a thought i guess...im beatin around the bush before i decide to go for the ej20t swap i guess..seems wasteful to swap a motor that only has 70k miles on it...and what about the heads? wrx heads on a 2.5 block? or even sti heads? or are the heads the same with different cams and valvetrain? this is all pertaining to it being boosted that is..just some random questions i haven't really thought completly through yet lol...anyone who knows more about this feel free to "enlighten" me on my quest to learn how compatable the ej series are, compared to the b-series honda motors:P thanks....