770 CFM Brawler Diecast Carburetor Vacuum Secondary
770 CFM Brawler Diecast Carburetor Vacuum Secondary / Electric Choke-4150
2 customer reviews
Brawler diecast carburetors are machined and assembled by craftsman right here in the USA. These carburetors work hard just as their name implies- just raw bare knuckled performance that you can rely on. Don't let the budget-friendly price fool you, the Brawler development focused on the performance you want and not the pretty box that it comes in. Brawlers come with the latest technology in air/fuel calibrations for today's street engine demands. The Brawler family of diecast carburetors are all made from light-weight diecast aluminum components and are available in both vacuum and mechanical secondary models. They offer all the tunability and options that you would find from more expensive carburetors in the market, including a beautiful appearance, electric choke, and four-corner idle adjustment on all mechanical secondary models.
Features: Available sizes from 570 to 770 CFM to match your needs. Available in both vacuum and mechanical secondary versions to meet your needs All models have dual inlet fuel bowls with sight glass windows for safe and easy float adjustments All models come with an electric choke for easy starting in colder climates Specs
Barrels 4 Billet Color Diecast- No billet Booster Down Leg Brand Brawler CFM 770 Choke Electric Circuit 2 Emission Code 3 Finish Shiny Fuel Gasoline Fuel Inlet Dual Fuel System Carbureted High Speed Air Bleed 31;31 Idle Air Bleed Size 70;70 Material Aluminum Model Brawler Diecast Primary Main Jet 72 Primary Power Valve 6.5 Primary Pump Nozzle Size 31 Primary Venturii Size 1.380" Product Type Carburetor Secondaries Vacuum Secondary Main Jet 83 Secondary Venturii Size 1.430" Supercharged Application No Throttle Bore 1 11/16" Part Number BR-67258 Service Parts Emissions
This part is legal for use on Uncontrolled (Non-Emissions Controlled) Vehicles or Racing Vehicles.
The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:
1965 and older U.S. manufactured California Certified vehicles 1967 and older U.S. manufactured Federally Certified vehicles 1967 and older Foreign manufactured vehicle
Racing Vehicles are vehicles that are used exclusively for racing or other forms of competition that are not registered and that may never be used on the street.
2.5 out of 5 stars
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67258 Quick Fuel Brawler Carb
By craig k on May 21, 2018
I purchased this carb from Summit Racing after doing a lot of research. This carb was to go on a fresh crate engine from GM The engine is a stock 454 engine with a mild cam. 222 duration and 540 lift hyl roller.
Out of the box the carb blew black smoke across the street it was so rich. After lots of time with tech at summit it was not working any better so I called the tech at Holley. I made the modifications that they suggested that got the carb to at least idle properly, but still ran so rich that it fouled the plugs and when drivng it took 3 gallons of gas to go 7 miles! when parked the entire garaged smelled of fuel. I finally changed the carb out with a old used Holley 1850S, put in new plugs and my car runs great. So I tried to return the carb to summit and they told me I could not return it because I had it over 90 days. I purchased it before I needed it so it sat on my shelf till my engine was in. Now I am stuck with this carb. I am sure there is something wrong internally with this carb and it is probably a fluke, but I cannot afford to purchase another one. What a bummer.
I will try to talk to Holley again regarding a resolution. I will stick to the real Holleys in the future even though this is the same company that makes the Brawler. I have always used Holleys with excellent results on the street and the drag strip.
By anthony s on June 22, 2018
Purchased this carb from Holley in bowling green Kentucky. Installed on Fresh 388 stroker and it was way rich. fouled 3 sets of plugs. Changed PV, Jets, IAB, you name it I did it. Fuel bowls would even drain overnight into intake. Smell of gas took over my whole yard. fouled 5 sets of plugs before it ran good. Was the rubber o-ring for PV. was leaking. Took awhile to figure it out couldn't tell by looking at it. Put all original components back in except jets and pv for my vacuum. Now it fires up and has awesome response. I love it now.
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Some parts are not legal for use in California or other states with similar regulations.