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View Full Version : cdi box for 400ex



hotrodbelair
01-22-2007, 03:58 PM
im wondering whats the best cdi box out there and is there any that use the stock rev limiter cause i like the stock rev limit for ice racing. im trying to get more mid to topend power out of my ex. might also take my topend apart and take a few layers out of my head gasket and remove my base gasket. its a weisco 440 11:1 hotcams stroker cam ported and polished, 3 angle valve job with 1mm bigger intake valves.

AbnMP13
01-22-2007, 04:28 PM
Did you check here. (http://www.exriders.com/vbb/showthread.php?s=&threadid=275663)