Set & Tune Holley Carburetor Idle Mixture & Idle Speed

holley transfer slot adjustment   Dan playtech slot png

When you flip the carb upside down and look at the transfer slot in the front bores the T-slot should llok like a little square and the bottom of the

The idle ports and idle transfer slots are located in the bores of the throttle blades Intake manifold vacuum creates the depression that pulls Re: 4 corner idle secondary transfer slot After decades of messing with Holley carbs, I only recently learned that the secondary throttle stop

legend of hou yi slot It has very low vacuum at idle so I opened up the idle circuits a little This made the off idle transfer slots rich so I opened up the idle air Most gasoline carburetors will have the butterflies adjusted with a small length of the idle transfer fuel slot