Quote:
Originally posted by xspeed02
What exactly are you asking about? I know of some guys that swap in JDM motors (like my friend that swapped his h22a1 for a h22a, 4th gen prelude) but I can't imagine a JDM DSM motor being any stronger. However, do they even make JDM DSM blocks? I'm not sure if they manufactured DSM's over there or not. I have knowledge of import racing but not to the extent that I could answer that type of question. 
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that is pretty much my point. from what i understand (which may not be completely accurate), dsm = diamond star motors. the diamond star motors plant is in Normal, Illinois. if it wasn't built in Normal, then it isn't a DSM. therefore there really aren't JDM blocks. there are JDM versions of that motor (the 4g63) that went into the Evolutions, but i really haven't heard of swapping in an evo block.
a common swap, however, is to replace the 2nd generation motor (7 bolt) that is known to "crankwalk" with a 6 bolt motor from the first generation DSM's. most people don't do this swap until they blow the 7 bolt motor. some may consider it dumb to build the 7 bolt, without upgrading to the 6 bolt. personally, i'd consider it a waste of resources to swap out a perfectly fine 7 bolt just because it might crankwalk in the future.