How to adjust the electric choke on a Holley carburetor. A full explanation of the components and operation of the Holley electronic choke and how to properly adjust the choke's opening and closing times, as well as the fast-idle cam speed.
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.
Holley carb flooding & hard starting solutions
a quick video on some different flooding situations and how to fix them.
FUEL PRESSURE 5 TO 6 PSI
NEEDLE AND SEAT CLEAN
CARB HEAT - SPACER MAY BE REQUIRED
THE FLOAT ITSELF
OTHER FACTORS- the damned carb is way too big or is dirty inside.
Electric Choke adjustment: rich and lean extremes
In this video, I am purposely changing the rich/lean adjustment wildly in
order to show the effect. Your actual adjustments would not be this
extensive, but if your engine is loading up and not running very well, the
choke or an aspect of it's systems may be the culprit.
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
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
How To Diagnose Common Engine Problems With A Vacuum Gauge
How to use a vacuum gauge on a carbureted engine to diagnose problems like
a sticky valve, ignition component problems or too much advanced timing, a
dirty air filter, vacuum leaks, worn piston rings, improper cam timing,
rich or lean mixture, and more. More information is located on Holley's
Tuning Holley Carb- Engineering A Street Rod.mp4
Tuning the Holley 850 Carb that comes with the Chevy 502/502 Crate Engine
was a fun but often frustrating task. Ultimately had to replace with an
850 Double Pumper. Even the Double Pumper needed modifications to meet our
goal of 0 to 60 mph in under 3.5 seconds-which was accomplished. Details
of what was done and why are outlined. Full details covered on our web
site at www.netWelding.com/Holley_Carb.htm.
Holley carb adjustment basics
-just a quick overview of how to adjust a holley and what to know. happy to
answer any tuning issues. i know far more than id like to about these old
holleys. not a very good public speaker clearly.
HOLLEY CARB FLOODING & HARD STARTING SOLUTIONS