Re: Tuning carb with a Vacuum Gauge
The gap needs to be .045 to get a complete fuel burn. Without gapping the plugs properly doing the hei isn't improving much. The point of the hei is hotter spark. Without proper plug gap you aren't getting all of the benefits of the switch over. You need to get timing correct also. Make sure the mechanical advance is even working. What is timing set at idle?
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Owner of North Point Car Care in Dundalk Md. We specialize in custom exhaust on both modern and classic vehicles. We are a full service auto shop from classics to modern vehicles. Feel free to contact me with questions. I will give a 10% discount to any board member.
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