If you have the mixture screws are out only 1/2 turn each, I will bet you have the throttle blades too far open, trying to get it to idle. Turn the screws out to 2 turns and see if the idle picks up. Set you idle RPM at around 850 with the idle adjustment screw on the drivers side of the carb. Then adjust the mixture screws to get the highest rpm. Adjust idle Rpm to 850 again. Also, put a fresh set of plugs in. I have had very mixed results trying to reuse carboned up plugs.
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62' Lemans, Nostalgia Super Stock, 541 CI, IA2 block, billet 4.5" crank, Ross, Wide port Edelbrocks, Gustram intake, 2 4150 style BLP carbs, 2.10 Turbo 400, 9" w/4:30 gears, 8.76 @153, 3100lbs
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