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jdm or usdm ? howto tell which

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Old Jul 4, 2004 | 12:05 AM
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Default jdm or usdm ? howto tell which

I have a integra LS block and i was wondering if there is any way to tell if it's a JDM block or USDM block?

also, which ways are the best to tell if it is truly a 30k block...

thanks
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Old Jul 4, 2004 | 12:16 PM
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there was no jdm b18a/b
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Old Jul 4, 2004 | 12:31 PM
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so your sayin there is no jdm ls ? so the only way u can do a ls vtec is with a usdm block ?
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Old Jul 4, 2004 | 01:05 PM
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Yea, I dont think JDM cars came without VTEC.
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Old Jul 4, 2004 | 04:13 PM
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JDM integras i believe were all vtec...
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Old Jul 5, 2004 | 06:31 PM
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Originally Posted by BassmintPimpin
Yea, I dont think JDM cars came without VTEC.
Not true.
Originally Posted by RicoD
JDM integras i believe were all vtec...
Also not true.
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Old Jul 5, 2004 | 06:34 PM
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Originally Posted by Snoopy
there was no jdm b18a/b

There was a jdm b18b and it had a compression ratio of 9.4:1. h:


I believe the blocks are the same so it doesnt matter if its jdm or not.
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Old Jul 5, 2004 | 06:39 PM
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Originally Posted by txhatch
There was a jdm b18b and it had a compression ratio of 9.4:1. h:
Are you absolutely sure? Looking on Honda's Japanese website, all the 94+ cars are either 1.6l single cams (ZC family) or 1.8l DOHC VTEC's (B18C family.)

Unless it came out of some funky Japan only car.
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Old Jul 5, 2004 | 06:49 PM
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93-94 Integra ESi had a b18b. Whatever a ESi is.
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Old Jul 5, 2004 | 06:52 PM
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OK, I see it now.

"My baaad" h:
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