The Double Pumper is a hot street and race carburetor designed for lightweight vehicles with a manual transmission, or an automatic with a high-stall converter and low rear gearing. This electric-choke version features dual accelerator pumps for extra fuel under initial acceleration, mechanical secondaries for strong performance, dual feed fuel inlets for constant high-volume fuel delivery, and 4-corner idle for precise idle control, all in a tumble-polished shiny finish.
Specifications:
- CFM: 750
- Barrels: 4
- Model: 4150
- Secondaries: Mechanical
- Booster Design: Straight
- Fuel Inlet: Dual
- Choke: Electric
- Finish: Shiny (polished)
- Material: Aluminum
- Primary Main Jet: 70
- Secondary Main Jet: 81
- Primary Power Valve: 6.5
- Primary Pump Nozzle Size: 28
- Secondary Pump Nozzle Size: 31
- Throttle Bore: 1.688"
- Vacuum Ports: 1 timed (spark), 1 full, 1 PCV
- Carburetor Use: Performance and Race
- Fuel Type: Gasoline
- Warranty: Manufacturer's Limited 90-Day Warranty
- Part Number: 0-4779SAE
Uses the square-bore 4150 flange bolt pattern (5-3/16" x 5-5/8"), a direct fit for many Holley, Edelbrock, Carter AFB, and Autolite carburetors sharing the same pattern. A spreadbore-to-square-bore adapter is required for spreadbore-style intake manifolds.
FAQ
What CFM and flange pattern does the 0-4779SAE use?
750 CFM on a square-bore 4150 flange, 5-3/16" x 5-5/8" bolt pattern.
What type of choke does it use?
An electric choke for easy control of engine warm-up.
What vehicles is it best suited for?
Lightweight vehicles with a manual transmission, or automatics with a high-stall converter and low rear gearing.
Can this replace other carburetor brands?
Yes, it's a direct fit for other 4150-pattern carburetors including Holley, Edelbrock, Carter AFB, and Autolite units with the same bolt pattern.
