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#1
09-18-2010, 03:22 PM
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Re: 72 TA : New Project
What you describe is exactly it. It seems to run out of gas at that rpm. The secondaries open very smoothly and without any bog or hesitation so hopefully it's a metering rod thing. I don't have much experience in tuning quadrajets. Any recommended websites for info (or local NJ people in the area).
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#2
09-18-2010, 08:26 PM
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Re: 72 TA : New Project
Some info here: http://www.florida4x4.com/tech/quadrajet/ Download the Q-Jet tuning paper...the writer is a little over the top but you'll get the idea.
Checking/adjusting the air valve is pretty simple. I would tighten the spring by a 1/4-1/2 turn and see what kind of change you see/feel. This alone may fix the problem.
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