Nothing to do with the current discussion at hand, but i've been asked to link my findings on my 98 version 5 GC here.
I had been looking to replace my fuel pump, and I ordered both the Walbro 342 and 341 (one by mistake).
The 341:
The 342:
As you can see, the inlet and outlet are in line with one another on the 342, and this is the one that
I needed for
my car. Your's may or may not be different. The 341 has them opposed to one another.
I also had some sort of aftermarket catch basin at the bottom of my fuel pump instead of the typical fuel sock, but that shouldn't play a role in which one you need for your vehicle.