Wait a sec... are you using a wideband o2 with the 7747? As far as I know, the ECM can't process the input from a WB o2 sensor without an external signal converter. Get a cheap narrowband sensor in and see if that makes her go into closed loop. Then you can use BLM values to tune the VE tables.
EDIT: And don't mess with the BPW. BPW is calculated from injector size and displacement, so set it once and forget about it.
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