2003 JDM STI 2.0 to 2.5 Engine Swap - Subaru Impreza WRX STI Forums: IWSTI.com
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2003 JDM STI 2.0 to 2.5 Engine Swap
2003 JDM STI 2.0 to 2.5 Engine Swap
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Old 02-18-17, 06:51 AM   #1
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Default 2003 JDM STI 2.0 to 2.5 Engine Swap

Hi Guys,
im a newbie in Subaru as im planning to swap my JDM STI 2.0 to a JDM STI 2.5 engine and what i hope to know is :
1) Is it a direct swap? Do i need to change to 2.5 wires and Ecu?
2) Are there any Subaru STI crankshaft that i can use it to make a Stroker motor? If yes, please kindly advise and can it pair with the stock rods?

Thanks A Million
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