Edelbrock 1803 Dual Quad 4 Barrel Carburetor, 500 CFM, Electric Choke
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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
- Metering Jets - Primary .086, Secondary .077
- Metering Rods - .065 x .057
- Step-Up Spring - orange (5" Hg)
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Q & A
Tim talks about the vintage carburetor options we have available.