[dreamer427]

remove the rear bowl and metering plate, now look at the back side of the main body u will see 2 little Allen set screws they are idle restricters. take them out. my car did the same thing fixed it. ive got a 468 fe i im so lmpressed with this carb the best ive had tried 3 different holleys 3 HP s all 850s there was no comparison pro systems carbs 1 of the best