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Old Yesterday, 12:45 PM   #1
03subey
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Member#: 401860
Join Date: Sep 2014
Default 03 wrx 2.0 swap to a 03 rs 2.5 ej25

I bought a complete 03 wrx shell and have a 03 rs 2.5 ej25 with 12k on it.

i want to drop the motor as is using the wrx parts such as manifold, and 2.0 turbo and intercooler

can anyone help in what i would need or change im trying to go the cheapest way out but making it run good for every day use
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Old Yesterday, 02:31 PM   #2
03subey
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Correct me if I'm wrong I need to but the wrx intake manifold on and I can use the 2.0 wrx turbo but have to run it at 5-10psi and change the down pipe on the exhaust

Is that all or am I missing something???
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Old Yesterday, 02:44 PM   #3
JoshP
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Chapter/Region: NESIC
Location: S. Maine
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You have to grind a bit on the pass side head to fit the coolant crossover tube. Then you can use wrx intake mani. Oil and coolant feeds and returns to the turbo will have to be done. Use wrx crank gear and you will need an 05+ cam gear drivers side. WRX water pump at least, might as well use oil pump too. That's about it. Probably start off with wastegate boost only and you will need a tune. Im running this same setup on 1 of my cars.
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Old Yesterday, 04:21 PM   #4
03subey
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How much $$$ did that ring up bc I'm trying to got the cheeppest way for it to get me down the road
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