Edelbrock 1804 Dual Quad 4 Barrel Carburetor, 500 CFM, Manual Choke

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Edelbrock 1804 Dual Quad 4 Barrel Carburetor, 500 CFM, Manual Choke

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Product Summary

Universal Fit, 4-Barrel Carburetor Barrels, 500 CFM CFM

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Details

The Thunder Series' unique Qwik-Tune Secondary Air Valve allows for limitless calibration of the secondary circuit with simple hand tools while on your vehicle. This four barrel carb can be easily adjusted - in seconds - to suit your application...no extra parts required to achieve optimum performance.

Designed and calibrated for dual-quad applications such as the RPM Dual-Quad Air-Gap, Edelbrock C-26, F-28 and Street Tunnel Ram.

Primary and secondary booster clusters offer the most accurate and up-to-date calibration available for today's fuels and octane levels
Edelbrock carburetors bolt on and run right out of the box
Float levels are factory set; adjustments are rarely needed
Change jets, adjust floats & replace needles/seats without draining fuel or removing carb
Two-piece design means no gaskets below the fuel level for leak-free operation
Includes both timed and full vacuum ports for ignition advance
Dual inlets

Charts

Edelbrock 500 CFM 4 Barrel Carburetor Installation Instructions (PDF)

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Questions & Answers

2 Questions • 2 Answers

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Will a pair of these also work on a 355 sbc, with a 671 blower? It's a weekend only street rod....

by Hot Rod Honda

• 8 years ago

1 answer

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For a dual quad application (1956 Pontiac D-92360 manifold) what carburetor numbers represent the primary and secondary carbs? 2 X 1804 or ??? Are all butterfly chambers 1 3/8 inches across?

by Kent

• 10 years ago

1 answer

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