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| Engineering/Technical Ask technical questions about cars. Do you know how a car engine works? |
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03-13-2002, 01:46 AM
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#1 | |
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AF Enthusiast
Join Date: Jan 2002
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jdm GSR
im close to buying one...anybody have one or know someone with one....how much better than the USDM is it besides the jdm 180hp vs usdm 170 hp.....what about compression and alike...thanks
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03-13-2002, 11:15 AM
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#2 | |
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I think the reason for the 10hp increase is because of the JDM ecu and the higher octane gas they use in Japan ... someone correct me if I'm wrong ...
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88 Honda CRX Si - B16 90 Honda CRX Si - B20VTEC |
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03-13-2002, 01:26 PM
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#3 | |
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I believe JDM engines have higher compression ratios too.
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03-13-2002, 01:48 PM
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#4 | |
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yeah the usdm is 10.4:1 and the jdm is 10.6:1
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03-15-2002, 04:55 PM
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#5 | |
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from what i heard, the jdm gsr have different pistons and that's the only thing that makes the jdm one different from the usdm.
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