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In most cases (accept some JDM versions) it will around 160 hp in stock form at the crank.
for b16a jdm and b16a2 usdm its 22 lbs first then 63 lbs finall start in middle and work you way out
Japanese domestic market (JDM)
JDM Allstars was created in 2008.
Jdm means Japanese Domestic Market.
Picture of a JDM Civic can be found online in the picture galleries of Google and Yahoo. Pictures of a JDM Civic can also be found in JDM Civic forums and car show reports.
You can purchase JDM stickers online from the Sticker Nerd or Red Bubble websites. You can also purchase JDM stickers online from retailers such as Amazon.
Why would you put a B20B in to a CRX, that's the engine out of a CRV, and yes, it will be a pain in the ass. Why not do one of the common swaps such as a B16 or a B18. If you can get your hands on a JDM B18 Type-R, that should be more than sufficient and a lot easier to pull off.
B18C, depending on you local smog laws a B18C from a jdm Acura Integra would be the easiest and cheapest way to get your civic going faster. Drive safe
To tell if your motor is a JDM or not, look on the block, kinda deep in there, and there will be a little square, and for instance, there are H22's and H23A;s, but there will be that and a series of numbers along with it, if that series or numbers isn't with it, its a JDM. My prelude is H23A then 1387979798 w/e, if the numbers arent there, its JDM.
In JAPAN
Japanese Domestic Market (JDM) engines are made in Japan ,constructed to Japanese regulations (http://en.wikipedia.org/wiki/Japanese_domestic_market). The following sites sells JDM engines in North America, imported from Japan: http://www.osakajdmmotors.com/JDM-engines/ and http://www.jdmtigerjapanese.com/.