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Tuning Holley 390

bashby

bashby

Donation Time
Anyone know of a book that can help with tuning a Holley 390? Running rich (live at 5500'asl). Tuned a 4412 years ago is it similar?
 
V_Mad

V_Mad

Donation Time
Try also bob2000.com
He just helped me with my Holley problem. Now runs great!

Make sure both float chambers are set correctly, and both idle screws are the same setting (about 2 turns out).
 
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