Ported or manifold vacuum hei - Vacuum Advance Technology

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Hei vacuum or ported manifold Vacuum advance

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Hei vacuum or ported manifold Tune Your

This is driving me nuts as this forces me to stomp on gas often to take off if I must go cleanly instead of a sleepy take off.

  • I talked at length w the owner of 4 Seconds Flat.

Take that number, and subtract the total mechanical from earlier from it to get your vaccum advance number.

  • Attach a hose to each one and run them either to the upper airbox area underneath the seat, or down below the carbs and to the rear of the engine.




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