Fuel Pump Help L67

[Thinksun]

I have a plastic fuel tank in shop to install as an upgrade from my leaky steel one for my 97 GTP- unfortunately my fuel pump does not fit. I picked up a good fuel pump that was from a 2000 Regal I was told was supercharged. I also understand there may be two possible pumps available for L67 regal in 2000, a single or dual stage pump (mine has dual)

The part number says 19177291, I cannot find this part number anywhere on internet or on GM/ AC Delco seach engine.

I do see part number 19177221 which seems to work for several models. Any help is appreciated.

edit

What I did find was this which seemed like I am not only one (only two-lol). http://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=1796620&page=all

I am using this as a guide for conversion http://www.grandprixforums.net/threads/59247-DIY-Plastic-gas-tank-upgrade?highlight=tank

Thanks
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[dsmuts]

I'm not positive but i think they are interchangeable it'll just be in high mode all the time.