I would check fuel pump, fuel pressure regulator. Could be something else too I suppose. Glad you got it running. Sounds like a fine deal!!
No to Chevy 6-bolt. Those wheels have a smaller center bore. You want 6 bolt wheels designed for Nissan, Toyota, Isuzu...bigger center bore.
Check this thread:
http://vehicross.info/forums/showthr...ght=rims+tires
Bart