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Vette8989

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Reply with quote  #1 
This is on a 420 sbc. It has a lean spot just past idle. It flutters at low speed acceleration when cruising. Idles fine. Transfer slot is square and the idle adjustment screws are 1 3/4 turns. This occurs at 1/8 throttle or less
PRO-SYSTEMS

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Reply with quote  #2 


Be sure that the metering system is not plugged etc... and all the mx screws have an effect. 

   
 airbleeds4150.png 
Then reduce your idle air bleeds to .052 and check the effect.



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