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How To Adjust Holley Carburetor Vacuum Secondary Springs

Holley offers some tips on how to properly operate and adjust four-barrel carburetors with vacuum secondary throttle blades. The video describes the various rate secondary springs, how to change them, and the testing procedures to follow to make sure the secondaries open properly for best performance.


 


More Videos...


Holley 750 cfm 4150 Rebuild A to Z with a Percy's Adjust-A-Jet Addition Vacuum Secondary
Pretty typical vacuum secondary Holley rebuild. Newer Holley carbs come with power valve blow out protection. This is a old carb.





SOUTHERN ROCK RACING SERIES HIGHLIGHTS ACTION PACKED
Instagram at http://instagram.com/madram11 Check Out BlueFire Outdoors for all your off road Lighting. http://bluefire-lights.com SUPER ATV http://www.superatv.com Just a highlight video from some of the past Southern Rock Racing events. Sit back and enjoy this 20 minute video full of action.





Carburetor Main Jet Tuning - Summit Racing Quick Flicks
In this video Norm breaks down the Main Circuit of a Holley Carburetor. First covering the process of adjusting the Primary Jets, moving into the tuning of the Secondary Jets, and Norm follows that up with talking about the venturi effect and how that plays an important role in how a carburetor works. http://www.summitracing.com/redirect?banner=SocialYT4510





How To Adjust The Accelerator Pump On Holley Carburetors
How-to adjust the accelerator pump on Holley carburetors to avoid stumbling and hesitation upon acceleration. Tips include: How to check for the clearance between the accelerator pump diaphragm arm & operating lever; how-to select the correct accelerator pump nozzle size, and accelerator pump cam selection and installation. Additional information can be found on Holley's website: http://forums.holley.com/entry.php?428-How-To-Cure-Carburetor-Stumble





Holley Carburetor Tuning Secondary Circuit - Summit Racing Quick Flicks
Norm walks you though how to properly adjust the secondary circuit on a Holley 4 Barrel Carburetor. Vacuum Secondaries or Mechanical Secondaries it doesn't matter, Norm has you covered and achieving that top end speed. Find everything you need for your Holley Carburetor at http://www.summitracing.com/redirect?banner=SocialYT4535





Holley Carb Accelerator Pump Adjustment - Summit Racing Quick Flicks
Does your vehicle sputter at the starting line then take off? Does the engine seem to stumble at the top of the highway on-ramp? Norm discusses how to properly tune a Holley style 4 Barrel Carburetor Accelerator Pump for smooth and consistent launch down the track or onto the highway. http://www.summitracing.com/redirect?banner=SocialYT4516





Carburetor Idle Adjustment - Summit Racing Quick Flicks
Holley Carburetor not Idling smoothly? Norm walks you through the basics of how to tune your Holley Carb for a smooth idle by completely discussing the idle circuit. From curb idle screw to the idle mixture screws, Norm covers it all. Be sure to watch our other Summit Racing Quick Flicks on Carburetor Tuning: Inlet Circuit Tuning http://www.summitracing.com/redirect?banner=SocialYT4509





Terminator EFI Install and Overview - Chuck's Garage
Chuck installs Holley's brand new Terminator EFI system on his '70 Chevelle. First we take off the old carburetor and bolt on the new Holley EFI Terminator throttle body. Then we mount the Terminator EFI ECU and wiring harness and begin wiring and plugging everything up. From there we go under the car and tackle the fuel system. After we get everything set up with the handheld tuner we take the new Terminator EFI system on a test drive!





Vacuum Lines Connection
Footage taken from Holley Carburetor Installation & Tuning DVD





Carburetor Electric & Manual Choke Tuning - Summit Racing Quick Flicks
Norm covers the basics of how to start a carbureted vehicle on a cold morning with either a manual choke or electronic choke. Learn the differences between an electronic and manual choke and how to properly find the right choke position. http://www.summitracing.com/redirect?banner=SocialYT4526





Tested: Edelbrock's All New E-Street EFI Fuel Injection System
Carburetors are great if you want horsepower and old school looks on your classic car. But drivability and fuel economy sometimes requires a conversion to EFI, and Edelbrock's new E-Street EFI Fuel Injection system handles both while giving you a self-tuning EFI system -- without the need for a laptop computer. View more at: http://www.streetlegaltv.com SUBSCRIBE to the POWERTV YOUTUBE Channel -- http://www.youtube.com/subscription_center?add_user=powertv ***** Visit Power Automedia's Online Magazines! Power Automedia is the #1 Automotive Performance Digital Publisher! Ford & Mustang - http://www.stangtv.com LSX GM - http://www.lsxtv.com Hot Rods & Muscle Cars - http://www.streetlegaltv.com Drag Racing - http://www.dragzine.com Street Rods! - http://www.rodauthority.com Chevy Muscle Cars - http://www.chevyhardcore.com Engine Performance - http://www.enginelabs.com Corvette - http://www.corvetteonline.com Dirt Track - http://www.onedirt.com





How to Use a Vacuum Gauge for Diagnostics
Back in the day a vacuum gauge was the primary diagnostic tool for your engine. Over time the vacuum gauge and how to use it have been forgotten. In this video our Moss Motors tech department gives insight and testing procedures on how to use this simple tool.





Edelbrock E-Street EFI System Installation
We install Edelbrock's self-learning E-Street EFI and Universal Fuel Sump system on PHR's 1968 Chevy Nova project car.





Accelerator Pump
Footage taken from Holley Carburetor Installation & Tuning DVD





Holley Carb Stumble Fix pt-1
Properly setting up Hollys accelerator pump. Groutaone official race gear found here http://www.groutaone.com/




Which car is faster? Which Car is Faster?





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