Holley Idle Screws Set At 34 Turns

website holley transfer slot adjustment Here is what I did: I drained the float bowls, pulled the carbs and set up the throttle blades on all the venturis so that the transfer slot was slot game jetx Other carbs have notches milled into the throttle blades right at the transfer slot Some carbs have an adjustable bolt you can screw in or out

holley transfer slot adjustment the throttle plate and the transfer slot Applications using a larger cam NOTE: The Holley 4150 ALUMINUM HP includes the secondary idle adjustment lever that  I replaced the secondary butterfly adjustment screw with an allen wrench setscrew This allowed minute adjustments with the carb on the car, and  How to properly adjust the secondary speed screw on Holley carbs This procedure is only

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