Edelbrock 1906 vs 1406 Carburetor

Edelbrock 1906 vs 1406: What is the difference between Edelbrock 1406 and 1906?

For many driving freaks like me, Edelbrock is one of the most trustworthy providers of carburetors. And some people consider Edelbrock 1406 and Edelbrock 1906 the most discussed carbs from their vast list of products. That’s why sometimes it might get tough for someone to decide which one to opt for.

The major difference on Edelbrock 1906 vs 1406 is their CFM ratings. The Edelbrock 1906 produces 650 CFM whereas 1406 produces 600 CFM ratings. Another big difference is on the fuel inlet. The Edelbrock 1406 comes with a single fuel inlet for easy installation experience. On the other hand, Edelbrock 1906 designed with double fuel inlet for maximum performance.

Despite all the talkings, in my Edelbrock 1906 vs 1406 review, I’ll help to make it easy for you to choose the one that best suits your needs.

Edelbrock 1906

Edelbrock 1406

Edelbrock 1906 vs 1406

FeaturesEdelbrock 1906Edelbrock 1406
Booster typeAnnularPrimary
Weight3.75 lbs9.1 lbs
Package containsBase gasket, Fuel filterBase gasket, user manual
Metering rod size0.070×0.037in0.075×0.047in
Warranty12 months3 months

About Edelbrock 1906

Edelbrock 1906 comes with a shiny satin finish, which assures its glossy look and better durability. This AVS2 series carburetor is mostly praised by the user community for its great throttle response. Edelbrock configured this carb for ideal street performance in small-block engines as well as some big-block engines too.

Edelbrock 1906 Carburetor/Annular Booster

In addition, it is a non-EGR carb. So, you do not have to worry about the negative effects of Exhaust Gas Recirculation (EGR) which usually hampers the performance and takes down the coolant used to cool off the system.

The annular boosters of Edelbrock 1906 provide developed fuel fragmentation to extinguish flat spots. Every booster includes 8 evenly spaced apertures to provide better fuel metering.

With all this, it is compatible with a wide range of manifolds including but not limited to Edelbrock Performer, Performer EPS, RPM Air-Gap, Torker II, etc.

Edelbrock 1906 Carburetor

  • Satin Finish
  • 4 Barrel
  • Annular Booster Type
  • Electric Choke Type
  • 650 cfm Maximum Flow Rating

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  • Annular flow booster: The annular booster ensures reinforced fuel atomization.
  • Finish: It comes with a glistering satin finish.
  • Calibration: Edelbrock 1906 has better calibration, which ensures the best street performance.
  • Compatibility: This carb is compatible with a broad diversity of small or big block engines.

About Edelbrock 1406

Edelbrock 1406 is more fuel-savvy and street performance focused. It has a 600 cfm electric choke to provide sufficient airflow to the engine. There is a 4 barrel air valve in it to make the airflow flawless. Edelbrock 1406 incorporates square bore flange for its bigger bolt structure.

Edelbrock 1406 Performer 600 CFM

Having both timed and full vacuum ports, it gives you better control over ignition advance. It uses metering rods for fuel alteration. This means you don’t need to remove the carb or drain fuels for fixing or servicing it. Edelbrock optimized this to deal with the severity of day to day driving while providing comfortable, certain street performance.

It’s all-aluminum body refuses distortion. It also features a “hold a tune” facility. That means- tune it once, and it will remain tuned.

Edelbrock 1406 Performer

There is a 4 barrel air valve in it to make the airflow flawless. Edelbrock 1406 incorporates square bore flange for its bigger bolt structure.


  • Choke: Edelbrock 1406 comes with an electric choke with square flange.
  • Primary venturi booster: Its Primary venturi booster makes acceleration smoother and provides improved drivability.
  • Performance: They optimized it to take care of both everyday driving and undeviating street performance.
  • Metering rods: One feature that made Edelbrock 1406 prominent, is the use of metering rods for alteration between circuits.

Want to Know the World’s Original High-Performance Carburetor Holley 1850 vs 4160 Click for more about the Holley 1850,  Holley 4160 carburetors and why they’re a good.

What size carburetor do I need for a 400? Find Best Carburetor for Small Block 400 and about 400 sbc carb size. We also see the Holley Edelbrock 1406 as a great option for a carburetor for SBC 406.

Going through all this Edelbrock 1906 vs 1406 comparison and considering their features, I can say that you are pretty sure about choosing the best carburetor. If you prefer the next-generation features then Edelbrock 1906 would come into play. And 1406 could be a better choice for your classic cars.

Let us know in the comment box, if we miss anything or if you have any say about this article.

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