Thread: My friends RSX-S motor in his Civic, GO LOOK FOR YOURSELF NOOBS!!!!
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Old Jul 23, 2003 | 07:40 AM
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Morpheus
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Is the K20A3 the USDM?
I read the only difference is ECU tuning. Squeezing 20hp out of an ECU retune, pretty crazy. K20a>all 4cylinders
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