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Old 08-11-2009, 03:51 PM   #2
jd74c-10
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Join Date: Jul 2009
Location: bullhead city az.
Posts: 51
Re: need help with hei rotor

there is a adjustment on the right side of the quadrajet secondary to adjust the tension on the top butterfly .when the butterfly opens it lifts the needles out of the main jets, when the tension isn't right the needles won't drop back in the jets and close off the secondary fuel. that could be your surging and fuel smell. check to see if the top butterfly close's freely when you open it by hand. to get to the rotor remove the distributer cap and there it is. hope this helps Jim
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