For those that prefer a "Pro-Look" solution
Holley Standard Main Jet 82 Hole size .0940"
EBay: "Holley Carb Carburetor GAS MAIN JETS KIT 50-109 1/4-32 ANY SIZE U CHOOSE 4 PACK"
I paid $25.00 cdn including shipping
Tap: 1/4"X32 UNF This is a very FINE thread and not a common tap to be found in the hardware store. Available on-line.
EBay" I paid $15.00 cdn including shipping
Ordered these this AM. I'll post something when I get them.