Edelbrock Thunder Series AVS 1826 | Carburetor

Part Number
Thunder Series AVS Carburetor; New; 4 bbl; 650cfm; Square Flange 4150; Electric Choke; Single/Dual Fuel Inlet; Gas; Mechanical Secondary w/Adj. Velocity Air Door

Fits: American Motors Ambassador, American Motors American, American Motors AMX, American Motors Classic, American Motors Hornet, American Motors Javelin, American Motors Marlin, American Motors Matador, American Motors Rambler, American Motors Rebel, Avanti II, Bricklin SV-1, Bristol 408, Bristol 409, Bristol 410, Buick Apollo, Buick Centurion, Buick Century, Buick Electra, Buick Estate Wagon, Buick Gran Sport, Buick GS, Buick GS 350, Buick GS 400, Buick Invicta, Buick LeSabre, Buick Limited, Buick Regal, Buick Riviera, Buick Roadmaster, Buick Skylark, Buick Special, Buick Sportwagon, Buick Super, Buick Wildcat, Cadillac Commercial Chassis, Cadillac DeVille, Cadillac Eldorado, Cadillac Fleetwood, Cadillac Series 60 Fleetwood, Cadillac Series 62

Special Price $481.10 Regular Price $506.42
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The Edelbrock 1826 Thunder Series AVS 650 CFM electric choke carburetor has been designed and calibrated to deliver optimum off-road performance. Several characteristics make the 1826 Thunder Series AVS 650 CFM electric choke carburetor an outstanding street performer. The first one is that metering rods are utilized to transition between circuits. The carburetor is unaffected by engine backfires, which means that there are no power valves to blow out, and the rods can be changed in seconds without carburetor removal or fuel draining. Secondly, the carburetor has the unique ability to "hold a tune", so once it is tuned, the carburetor stay's tuned. What this means to you is that compared to other carburetors, the performance remains consistent and the calibration stays unchanged. The third characteristic is the primary and secondary booster clusters that are utilized offer the most accurate and up-to-date calibration available for today's fuels and octane levels. Fourth the unique Thunder Series' Qwik-Tune Secondary Air Valve allows for limitless calibration of the secondary circuit with simple hand tools while on your vehicle. It's quick. It's simple. It's effective. It can be easily adjusted - in seconds - to suit your application.. no extra parts required to achieve optimum performance. Simply put the Edelbrock 1826 Thunder Series AVS 650 CFM electric choke carburetor is undeniably the most innovative and dependable street performance carburetor available today.

BRAND: Edelbrock


  • CARB
  • No Gaskets Below Fuel Level to Prevent Leakage
  • Thunder Series AVS Carburetor
  • Spring Loaded Needles/Seat Increase Performance
  • Edelbrock Thunder AVS 650 CFMCarburetor
  • Distinctive Black Accented Hardware
  • Thunder Series AVS 650 CFM Off-Road Carb with Electric Choke in Satin (non-EGR)
  • Lightweight Ball-Burnished Aluminum
  • Metering Rod/Step Up Springs Can Be Changed Easily
  • New Qwik-Tune Adjustable Secondary Air Valve
  • Thunder AVS Carburetor #1826 650 CFM With Electric Choke; Satin Finish (Non-EGR)
  • Thunder Series AVS Carbs will work with Ford automatic overdrive trans (AOD) when used with Lokar bracket SRK-4000; Edelbrock carburetors are not calibrated for or compatible with alcohol; race or E85 pump fuel. The use of alcohol or E85 in your Edelbrock
  • GM/AMC-Style Throttle Linkage
  • Edelbrock; 1840; Jets; Rods; 1805; 1806; AVS; Thunder Series; Carburetor; Carb; Calibration; tuning?
  • { eo : 3in.}


EmissionWithout EGR
FlangeSquare Bore
Primary Power ValveN/A
WARNING CA Proposition 65Yes
WARNING CA Proposition 65 MessageWARNING: This product can expose you to Chromium; which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information; visit www.P65warnings.ca.gov.



Customer Questions
What size Edelbrock carburetor do I need?
The size of the Edelbrock carburetor you need depends on several factors, including your engine's displacement, performance goals, and intended usage. It is recommended to consult Edelbrock's carburetor sizing guidelines or seek advice from a knowledgeable professional to determine the appropriate carburetor size for your specific application.
Why is my Edelbrock carb flooding?
Several reasons can cause an Edelbrock carburetor to flood, including issues with the float level, needle and seat, or fuel pressure regulator.
How does the Edelbrock electric choke work?
The Edelbrock electric choke uses an electric heating element to control the opening and closing of the choke plate, allowing for automatic choke operation based on engine temperature.
Are Edelbrock carbs square bore?
Yes, most Edelbrock carburetors are designed as square bore carburetors.
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