others have said after contacting engine builders and edelbrock tech support, they don't see a big enough difference between the regular RPM and the air gap to replace one with the other, so those air gap numbers on the 340 should be fairly representative of what you'd see with a regular RPM.
1976 Spinnaker White Plymouth Duster, /6 A833OD
1986 Silver/Twilight Blue Chrysler 5th Ave HotRod **SOLD!***
2011 Toxic Orange Dodge Charger R/T
2017 Grand Cherokee Overland
2014 Jeep Cherokee Latitude (holy crap, my daughter is driving)
| 
