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03-28-2013, 05:24 PM | #1 |
Registered User
Join Date: Feb 2003
Location: Santa Ana, CA
Posts: 2,191
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Fuel Pressure for Quadrajet?
I have been experiemnting for a while now to find the best fuel pressure for my Q-jet. Want to see what has worked for others. I find that I'm between 5 and 7 psi. However, within this range, I find that my idle RPM will change. Idle RPM will increase slightly with higher fuel pressure, and decrease slightly with lower fuel pressure. Why is that?
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