1978-1983 Malibu Quick Fuel HR Series Carburetor, 780 CFM, Vacuum Secondaries HR-780-VS

The Hot Rod Series is a versatile performer designed for the most discerning street enthusiast. Featuring lightweight die-cast aluminum components, the HR-Series offer all the tuneability you would expect from more expensive racing carburetors, including changeable bleeds, idle feed, power valve channel restrictions, and four-corner idle. Offered in either vacuum or mechanical secondary models, all Hot Rod Series carburetors feature electric chokes and dual metering blocks for added performance. Now available in a 450 cfm model for applications with small displacement engines.
Features:

• All models feature a fully adjustable electric choke for easy starting
• Dual metering blocks w/4-corner idle for smooth and efficient idle quality
• Screw-in air bleeds and idle feed restrictions for quick and unsurpassed tuning capability
• Dual inlet fuel bowls with sight glass windows on both fuel bowls for safe and easy float adjustment
• Universal throttle lever with sealed throttle shafts for years of smooth operation
• Tuneable secondary opening rate
• Tumble polished for long lasting shine

Specifications:

• Barrels: 4
• Billet Color: Diecast-No Billet
• Booster: Down Leg
• CFM: 780
• Choke: Electric
• Circuit: 2
• Finish: Shiny
• Fuel: Gasoline
• Fuel System: Carbureted
• High Speed Air Bleed: 31
• Idle Air Bleed Size: 70
• Material: Aluminum
• Model: HR-Series
• Primary Main Jet: 72
• Primary Power Valve: 65
• Primary Pump Nozzle Size: 31
• Secondaries: Vacuum
• Secondary Main Jet: 83
• Throttle Bore: 1-11/16 inch

Manufacturer Part Number : HR-780-VS