Holley 670 Accelerator Pump Adjustment at Jodi Georgia blog

Holley 670 Accelerator Pump Adjustment. How to check for the clearance between the accelerator pump diaphragm arm & operating lever; It should only require a minor change in length and should be checked anytime a fuel bowl is removed. In this quick video, tom kise of holley goes over how to properly adjust the accelerator. In operation, the accelerator pump is connected by a linkage to the throttle butterfly shaft. Adjust the linkage so that when the throttle linkage moves, it also imparts movement of the accelerator pump circuit. It's typical for an accelerator pump using a (float bowl) check ball to pass fuel back into the float bowl when the throttle is opened. I'm wondering if your accelerator pump is adjusted properly. When properly adjusted, there will be no hesitation or stumble when the throttle is opened. The secondary side accelerator pump should be similarly adjusted. I noticed a bog when i accelerated off the line at stop lights and when i opened the secondaries, so i adjusted my accelerator. The accelerator pump circuit(s) in a holley carburetor acts to smooth the transition between the idle circuit and the main circuit. I am also wondering if there is a vacuum leak.

The accelerator pump circuit(s) in a holley carburetor acts to smooth the transition between the idle circuit and the main circuit. It's typical for an accelerator pump using a (float bowl) check ball to pass fuel back into the float bowl when the throttle is opened. When properly adjusted, there will be no hesitation or stumble when the throttle is opened. The secondary side accelerator pump should be similarly adjusted. In this quick video, tom kise of holley goes over how to properly adjust the accelerator. Adjust the linkage so that when the throttle linkage moves, it also imparts movement of the accelerator pump circuit. In operation, the accelerator pump is connected by a linkage to the throttle butterfly shaft. How to check for the clearance between the accelerator pump diaphragm arm & operating lever; I noticed a bog when i accelerated off the line at stop lights and when i opened the secondaries, so i adjusted my accelerator. I am also wondering if there is a vacuum leak.

Carb Science Series — Accelerator Pump Tuning for Holley Carburetors

Holley 670 Accelerator Pump Adjustment The secondary side accelerator pump should be similarly adjusted. It should only require a minor change in length and should be checked anytime a fuel bowl is removed. It's typical for an accelerator pump using a (float bowl) check ball to pass fuel back into the float bowl when the throttle is opened. When properly adjusted, there will be no hesitation or stumble when the throttle is opened. How to check for the clearance between the accelerator pump diaphragm arm & operating lever; In operation, the accelerator pump is connected by a linkage to the throttle butterfly shaft. I noticed a bog when i accelerated off the line at stop lights and when i opened the secondaries, so i adjusted my accelerator. I am also wondering if there is a vacuum leak. I'm wondering if your accelerator pump is adjusted properly. The secondary side accelerator pump should be similarly adjusted. Adjust the linkage so that when the throttle linkage moves, it also imparts movement of the accelerator pump circuit. The accelerator pump circuit(s) in a holley carburetor acts to smooth the transition between the idle circuit and the main circuit. In this quick video, tom kise of holley goes over how to properly adjust the accelerator.