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Old Today, 01:59 PM   #1
popeyestruck
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Join Date: May 2022
Location: Longwood 59 chevy
Posts: 326
Setting idle speed

235 motor with HEI distributor with coil inside it. I have an old sun tach/dwell meter with 2 leads 1 black one red. Havent used it in 20 years. I want to set the idle rpm . The HEI distributor has a green tach wire that I capped off. If I connect the red lead to this and the black to a ground will this function as a tach? Just making sure I dont want to burn out the distributor. Never did this with an HEI
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