I have a bunch of Holley 3910 parts on Ebay ending on Ebay this weekend with no reserve. The carb came to me with no base plate so I parted it out.
If anyone is interested, here are links to the 3910 carb parts:
Holley List 3910 Main Body
Holley 5417 Front Metering Block
Holley 4519 Rear Metering Block
Holley Front and Rear Center Hung Fuel Bowls
Thanks and Good Luck,
Jason