Quick Tech: How to Properly Set up the Idle on Holley Carburetors

website holley transfer slot adjustment Yes, adjust the butterflies so the transfer slot looks square not a long rectangle About 040 If the transfer slot is covered, you will book of dead slot machine With the Quick Fuel carburetor in place, we discovered that the transfer slot was uncovered by inch to create the desired idle speed But

holley transfer slot adjustment I checked the timed vacuum port and i'm getting zero vac there so the throttle is closed enough for that, plus the transfer portslot is exposed  You will first remove the sight plug, then to make your adjustment you will need to loosen the lock screw on the needle and seat This will allow you to turn  The best way to go about it is to take the carb off, turn it upside down, and eyeball the amount the slot is exposed with the throttle

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