Chevy Carburetor Tuning Tips Long Duration Cams
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Long-duration cams often require uncovering too much of the transfer slot in order to maintain a steady idle. If your cam calls for exposing more than 0.025 to 0.030 inch of the transfer slot, cracking open the secondaries a tad or drilling holes into the throttle blade will allow sufficient idle airflow while minimizing the throttle angle of the primary blade. View Related Article
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