How do you read a Edelbrock jet?
Edelbrock main jets are used in the primary and secondary sides of the bowl. They are marked with a “120-###” The last three digits minus 300 gives the actual orifice size in thousandths. For example, a 120-389 is a 0.089″ jet.
What size jets come in a Edelbrock 1406?
The 1406 carburetor has a 0.098-inch primary main jet, and a 0.095-inch secondary main jet. The metering rod measures 0.075 by 0.047 inches. The needle and seat measure 0.0935 inches, while the float height measured 0.4375 inches. The float drop is 1.25 inches, with a 0.25-inch variance.
Where does the vacuum advance line go Edelbrock?
The distributor vacuum advance can go to either of the front 2 vacuum ports, and plug off the one you don’t use. The port on the left (driver’s side) is time (AKA ported) vacuum and the port on the right (passenger side) is full time vacuum.
What is the difference between Edelbrock 1405 and 1406?
The 1405 is aimed more at performance and the 1406 is aimed more at economy and street manners. Yep, but a little tuning and either can be better than they come from the factory.
How many CFM is a 1406 Edelbrock carburetor?
600 CFM
The Edelbrock 1406 Performer Series 600 CFM electric choke carburetor is a precisely tuned, quality-built carburetor that can handle the rigors of daily driving while delivering consistent, reliable street performance from day to day.
Does HEI distributor need vacuum advance?
See all 6 photos In a GM HEI distributor, vacuum advance is limited by the length of the advance slot. The further the rod travels, the more spark lead the unit provides. Original GM vacuum advance canisters can provide as much as 25 degrees, and possibly even more.
What’s the difference between timed vacuum advance and full vacuum advance?
full vac is just that, it is all the cylinders vac at once. the venturi vac(timed) is partial vac and its the correct hookup for you distributor. If the you are hooked to the full vac it keeps you vac advance full advanced all the time.
What are the two screws on the front of a Edelbrock carb?
“Performer Series” and “Thunder Series” AVS carbs from Edelbrock are made with two idle-mixture screws that control air mixture during operation. Setting air mixture correctly allows the engine to run efficiently by burning fuel completely.