WRX to STi swap (no, not that guy)

[XS_WRX]

I know theres another thread on this section with the same topic but I was wondering if I could swap a USDM STi engine (block/heads/pistons/etc..) into my 2004 WRX. Would I need an STi clutch/flywheel? Could I keep my RC engineering 650cc injectors? Would I need to buy fuel rails? Could I just put the STi block with WRX heads? and it will bolt up?

Please let me know as I am REALLY interested in this and have the money in hand. Is it worth it? I know I'd have a lot more torque down low, but would I be able to make the high HP that other STi's are making? Next on the list is a set of RA gears.

How much HP would you estimate that I could make if I swap the STi motor in?

Mod list:

· Mitsubishi TD05H-18G
· RC Engineering 650cc injectors (on my WRX) would I need fuel rails for these to fit on the STi motor?
· Walbro 255lph pump
· HKS up pipe
· HKS down pipe
· HKS catback
· HKS ssqv
· TurboXS fmic
· TurboXS utec
· TurboXS shorty intake

-alan

PS for those who will suggest to go with another route, I am simply doing this because I'm getting this WHOLE swap done by Subaru for ~500 dollars. COMPLETE ENGINE..

Will I have to get a different throttle body? Isnt the STi throttle by wire or somethign like that? With the new engine I'd have TGV's? (w/e that is) and will I be able to make more power on this engine more reliably than my 2.0?

thanks..

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