Agreed; prep is 90% of the job

Evan, didn't know you were a Scooby guy...EJ25 in it?

Yeah I've always loved the Subaru's, I bought this JDM Subaru Impreza WRX two years ago. Was a steal of a deal for $1,600cdn, I couldn't pass it up. She's got the JDM EJ20G in the car with the JDM TD05H 20g turbo. Quick spooling and pulls nice, gonna be great for the auto-cross season.
I might do the EJ25-EJ20 hybrid engine later down the road with the EJ25 block and then EJ20 heads, machining everything to work and make more power than an STI engine with supporting mods, also helps on the low end and high end power curve.
Also have an '89 Nissan 240sx with a JDM SR20DET swapped in with complete engine rebuild/ overhaul and upgraded Greddy manifold/ turbo etc. That's my drift toy.