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  1. Quick Fuel Technology slayer 750 lean on 383. rejet, holley jets?

    Engine
    I just bolted one of these on my 383 vortec, i had to turn the idle mixture screws out to 3 turns to make it run desent at cruze without missing, this of course made it eye watering rich at idle. Base jetting on the primarys is 72s, i picked up some 74s and 75s. and hopfully i can get the idle...
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