12-27-2002, 03:02 AM
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CC Member
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Join Date: Dec 2001
Location: Castalia,
Oh
Cobra Make, Engine: EM cobra, 450 inch sbc running a best ET of 9.14..so far..ALL MOTOR...approx 800 horse.............ERA with 482 FE..All Aluminum Engine
Posts: 1,395
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One other thing to consider...you need to adjust your idle vacuum at under 900 rpms...then you can reset the idle to 1100 rpms if that is where it needs to be....At 1100 rpms you started to uncover the transfer slots, and won't get a true idle adjustment
One other thing...when you pull the vacuum line....if the idle goes down, the carb is set too lean, and if the idle goes up more than 50 rpms or so, it's set to rich. There should be very little change when you pull the line....
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