Answers

[getm_up]

does the b20 come from a crv (the engines with a shorter stroke)
what else mus be replaced when used
dif gb etc..
i been looking and there mostly 4WD. so i need abit of help

[Tai]

B20A comes from the old school preludes, around the 88' models i believe.

B20B comse from the CRV.

[JDM-05R]

check the build thread ive seen a few b20 builds below is one i found in there

http://www.ozhonda.com/forum/showthread.php?108234-Integra-B20VTEC-Build-up