Thread: What Causes a High RPM Holley Cough?
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Old 06-20-2010, 03:56 AM
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To me it sounds like the secondaries are opening too soon/quickly causing a momentary lean condition, try going up one or two grades on the vac secondary spring...
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Last edited by Jac Mac; 06-20-2010 at 03:57 AM.. Reason: spellin/extra
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