Q&A
- What jets and power valves are used for tuning this model?
The Holley Ultra Double Pumper® 0-76650BL uses standard Holley jets and power valves. This kit comes with It a #63 primary jet size, and a secondary jet size of #73.
- How do I hook up my electric choke voltage?
You need to be hooked to a “keyed,” and the key must be on the “on” position of a 12-volt power source together with a good ground. Make sure that there is no voltage when the key is in the off position. Also, never connect the positive wire to the ballast resistor, ignition coil or Alternator.
Top-rated Carburetor for 305 Chevy List:
| Photo | Product name | Feature | Pros | More info |
|---|---|---|---|---|
 | 1. Edelbrock Performer Carburetors 1405 | Primary venturi booster |
| More Information |
 | 2. Demon Carburetion Street Demon Carburetors 1900 | Electric Choke Management |
| More Information |
 | 3. Holley 4160 Adjustable Float Carburetors 0-80508S | Calibrated for gasoline |
| More Information |
 | 4. Holley 4150 Double Pumper Carburetors 0-4779C | Mechanical secondary dual accelerator pump |
| More Information |
 | 5. Holley Ultra Double Pumper Carburetors 0-76650BL | Ford automatic transmission kickdown |
| More Information |
REVIEWS YOU CAN TRUST
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Carburetor for 305 Chevy Reviews:
1. Edelbrock Performer Carburetors 1405
Specifications
- CFM: 600
- Fuel: Gasoline
- Finish:Ball-burnished Bright
- Barrels: 4
- Choke: Manual
- Metering Jets: Primary .100, Secondary .095
- Metering Rods: .070 x .047
- Step-Up Spring: Orange (5″ Hg).
Features
The Edelbrock #1405 is a Performer Series 600 CFM Carburetor with Manual Choke.
This carb is a great performance part and is a perfect aftermarket upgrade for many applications.
The #1405 is a bolt-on easy to install item right out of the box. It provides a smooth throttle response with dependable constant performance.
This model is factory set, so you don’t need to play around with the settings, and is easily maintained without draining fuel. The #1405 is a two-piece design that does not have any gaskets below the fuel level.
The Edelbrock #1405 is a non-EGR carburetor, it is designed and calibrated to provide optimum street performance for a small-block engine, and a few small displacement big-block engines.
This model comes with timed and full vacuum ports delivering ignition advanced performance.
Q&A
- Will the Edelbrock 1405 fit a 350 engine Blazer?
Yes, it is also compatible for most Ford applications.
- Will it fit 91 Camaro with a 305 engine
This carburetor is not a direct bolt on to your Camaro, if you are switching to a carburetor, check out the Edelbrock 500 cfm 1404 for your 305
2. Demon Carburetion Street Demon Carburetors 1900
Specifications
- CFM: 625
- Fuel: Gasoline
- Finish: Ball-burnished shiny aluminum finish
- Barrels: 4
- Carb Flange: Square bore
- Choke: Electric
- Secondary Type: Vacuum
- Fuel Inlet: Single
- Carb Finish: Ball-burnished
- Throttle Linkage Type: Universal
- Carburetor Height (in): 250 in.
Features
The Street Demon® #1900 is a classy upgrade aftermarket carb with great performance results.
This is a ball burnished shiny aluminum finished carb for the most stock to mildly modified V8s. This is a patented model, (Patent No.: US D648,746 S) and comes with an easy to clean a one-piece airhorn.
The Street Demon® #1900 has a dual mounting bolt pattern with an integrated fuel bowl and main body design with the gasket placed above the fuel level.
This part fits on most aftermarket manifolds without the use of an adapter.
combined with proven
The proprietary Triple-Stack™ boosters combined 1-3/8” primary throttle bores deliver a crisp throttle response with optimized fuel atomization and improve the overall fuel consumption.
This item also comes with a patented (Patent # D677755) Goggle Valve Secondary (GVS™) throttle plate that gives more than twice the air flow of the primary bores. The GVS™ delivers a total airflow of 625 CFM.
The kit comes with a secondary air valve control that uses a torsion spring valve control with adjustment, so you get seamless primary to secondary throttle response.
You can also access the 2 Stage metering rods control without disassembling the carburetor.
Q&A
- Does this carb require special throttle linkage to fit a 700r4?
No, it will work flawlessly on a 700r$ model.
- So, will it work with my ’84 Dodge D150 and it’s 727 automatics?
Yes, this model works perfectly with an ’84 Dodge D150
3. Holley 4160 Adjustable Float Carburetors 0-80508S
Specifications
- CFM 750
- Barrels 4
- Finish Vibratory Polish
- Fuel Gasoline
- Billet Color None
- Booster Straight
- Choke Electric
- Circuit 2
- Fuel Inlet Dual
- Material Zinc
- Primary Main Jet 72
- Primary Power Valve 6.5
- Primary Pump Nozzle Size 31
- Secondaries Vacuum
- Throttle Bore 1.688”
Features
When it comes to popular, nothing beats the Holley 0-80508S. This is one of the most proliferate models and can be found in hundreds of thousands of applications all over the world.
The Holley 0-80508S is a dual feed fuel inlet model that gives you the exact airflow intake to reach 750 cfm.
The vacuum secondaries and electric choke make it a versatile model that is easily adaptable to many applications. This is why this model is so popular.
The Holley 0-80508S comes with a polished vibratory finish and is a performance upgrade aftermarket part for all stock or mildly modified vehicles.
Another reason for its popularity is its universal calibration and easy to install bolt-on performance.
The unit comes with factory presets, so you don’t need to adjust it after installation. The vacuum secondaries compensate for different makes and models.
The Holley 0-80508S dual feed inlets maintain a constant high-volume fuel delivery
Q&A
- Will this run on a 1976 460 Ford Big Block engine?
Yes, but make sure the intake has the correct hole spacing for the carb. If not, you will need to buy an adapter mount to compensate. If your model is automatic, you will also need a kick down lever.
- I have an upgraded 403 Oldsmobile motor; I also have an Edelbrock 600 on it, will this carb be a good replacement?
Yes, this is a perfect complement and replacement part. Don’t hesitate about considering this one.
4. Holley 4150 Double Pumper Carburetors 0-4779C
Specifications
- CFM 750
- Choke Manual
- Barrels 4
- Booster Down Leg
- Finish Gold Dichromate
- Fuel Gasoline
- Fuel Inlet Dual
- Material Zinc
- Primary Main Jet 70
- Primary Power Valve 6.5
- Primary Pump Nozzle Size 28
- Secondaries Mechanical
- Secondary Main Jet 80
- Secondary Pump Nozzle Size 31
- Supercharged Application No
- Throttle Bore 1.688”
- Vacuum Ports 1 timed (spark) port, 1 full, and 1 PCV port
Features
The Holley 4150 Double Pumper® 0-4779C carburetor is the ultimate performance upgrade for hot street cars and race vehicles.
The Holley Double Pumper carburetors are a cult item and an American icon. These are the best choice in the hands of a confident street racer.
The Holley 4150 Double Pumper® 0-4779C is built for lightweight vehicles with manual transmission. This model works best with high stall and low rear end gears.
The finish can come either as gold dichromate or tumble polished shiny, although the gold dichromate finish is the one to really choose, its that classic Holley finish that turns heads.
This is a factory calibrated part, you just bolt on and start to race.
The cable-driven, the manual choke will give you expert cold starts for optimized performance. The mechanical secondaries will give you that exceptional rubber burning performance.
Full control over your idle with a 4-corner idle system, and dual accelerator pumps that provide additional fuel under initial acceleration
The Holley 4150 Double Pumper® 0-4779C has dual feed fuel inlets that empower constant high-volume fuel.
Q&A
- Is this a double pumper carburetor?
Yes, the Holley 4150 Double Pumper® 0-4779C is a double pumper carb.
- What size is the fitting thread that leads into the fuel bowls?
This model has a 5/8” 18 threaded inlet
5. Holley Ultra Double Pumper Carburetors 0-76650BL
Specifications
- CFM 650
- Choke Electric
- Finish Shiny
- Barrels 4
- Fuel Gasoline
- Fuel Inlet Dual
- Material Aluminum
- Billet Color Blue
- Booster Straight
- Primary Main Jet 63
- Primary Power Valve 6.5
- Primary Pump Nozzle Size 28
- Secondaries Mechanical
- Secondary Main Jet 73
- Secondary Pump Nozzle Size 31
- Supercharged Application No
- Throttle Bore 1.688”
- Vacuum Ports 1 timed (spark) port, 2 full, and 1 PCV port
Features
This is another Holley Double Pumper, and this time it’s their ultra-light 0-76650BL model. This model is considered to be one of the lightest performance carbs in its category.
Made of aluminum, reducing 43% on weight, and in a tumble polished finish for that extra-long shine, this part is machined from billet metered blue anodized aluminum alloy blocks.
The Holley Ultra Double Pumper® 0-76650BL carburetor is perhaps the best upgrade performance aftermarket part for your street car and racing applications.
The Ultra Double Pumper™ is made of 6061-T1 aluminum construction with metering blocks and also comes with a 6061-T1 aluminum base plate. This makes it 5lbs lighter than any zinc competitor.
This model comes in a nice shiny blue anodized finish and has a complete gasket sealed unit.
This model, the Holley Ultra Double Pumper® 0-76650BL is calibrated for out of the box performance and delivers immediate street and race performance levels.
The Holley Ultra Double Pumper® 0-76650BL has a factory preset for the electric choke, so you get smooth and easy cold and hot startups.
The mechanical secondaries give you amazing rubber smoking performance. The 4-corner idle gives you absolute and precise control over the idle system.
This model comes with a clear fuel level sight glass, built in for easy fuel level view and adjustments.
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