What to do with a 93 impreza... 1.8

[weber state subaru]

First Subaru…

 

I have a 1993 impreza with a stock 1.8. I am thinking about
throwing in a 2.5 block and EJ22 heads, keeping the 1.8 manifold. I’ve replaced
the starter, alternator, a/c compressor and don’t want to lose out on these
brand new parts. Can I put my starter alternator, and compressor on this setup?
Would this work? How complicated is this? Can you literally go to a yard, grab
a 2.5 block, 2.2 heads, and slap it all together? What else would I need.

 

also, is the EJ22 head cast iron or aluminum?

Edited September 30, 2016 by weber state subaru

[1 Lucky Texan]

do a search for 'frankenmotor' for some answers. I have no experience building one, but it's been discussed and you should find some info.